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

#include <linux/const.h>
#include <linux/socket.h> 
#include <linux/types.h>

#define NETLINK_ROUTE		0	
#define NETLINK_UNUSED		1	
#define NETLINK_USERSOCK	2	
#define NETLINK_FIREWALL	3	
#define NETLINK_SOCK_DIAG	4	
#define NETLINK_NFLOG		5	
#define NETLINK_XFRM		6	
#define NETLINK_SELINUX		7	
#define NETLINK_ISCSI		8	
#define NETLINK_AUDIT		9	
#define NETLINK_FIB_LOOKUP	10	
#define NETLINK_CONNECTOR	11
#define NETLINK_NETFILTER	12	
#define NETLINK_IP6_FW		13
#define NETLINK_DNRTMSG		14	
#define NETLINK_KOBJECT_UEVENT	15	
#define NETLINK_GENERIC		16

#define NETLINK_SCSITRANSPORT	18	
#define NETLINK_ECRYPTFS	19
#define NETLINK_RDMA		20
#define NETLINK_CRYPTO		21	
#define NETLINK_SMC		22	

#define NETLINK_INET_DIAG	NETLINK_SOCK_DIAG

#define MAX_LINKS 32		

struct sockaddr_nl {
	__kernel_sa_family_t	nl_family;	
	unsigned short	nl_pad;		
	__u32		nl_pid;		
       	__u32		nl_groups;	
};


struct nlmsghdr {
	__u32		nlmsg_len;
	__u16		nlmsg_type;
	__u16		nlmsg_flags;
	__u32		nlmsg_seq;
	__u32		nlmsg_pid;
};



#define NLM_F_REQUEST		0x01	
#define NLM_F_MULTI		0x02	
#define NLM_F_ACK		0x04	
#define NLM_F_ECHO		0x08	
#define NLM_F_DUMP_INTR		0x10	
#define NLM_F_DUMP_FILTERED	0x20	


#define NLM_F_ROOT	0x100	
#define NLM_F_MATCH	0x200	
#define NLM_F_ATOMIC	0x400	
#define NLM_F_DUMP	(NLM_F_ROOT|NLM_F_MATCH)


#define NLM_F_REPLACE	0x100	
#define NLM_F_EXCL	0x200	
#define NLM_F_CREATE	0x400	
#define NLM_F_APPEND	0x800	


#define NLM_F_NONREC	0x100	
#define NLM_F_BULK	0x200	


#define NLM_F_CAPPED	0x100	
#define NLM_F_ACK_TLVS	0x200	



#define NLMSG_ALIGNTO	4U
#define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )
#define NLMSG_HDRLEN	 ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
#define NLMSG_LENGTH(len) ((len) + NLMSG_HDRLEN)
#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))
#define NLMSG_DATA(nlh)  ((void *)(((char *)nlh) + NLMSG_HDRLEN))
#define NLMSG_NEXT(nlh,len)	 ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \
				  (struct nlmsghdr *)(((char *)(nlh)) + \
				  NLMSG_ALIGN((nlh)->nlmsg_len)))
#define NLMSG_OK(nlh,len) ((len) >= (int)sizeof(struct nlmsghdr) && \
			   (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \
			   (nlh)->nlmsg_len <= (len))
#define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len)))

#define NLMSG_NOOP		0x1	
#define NLMSG_ERROR		0x2	
#define NLMSG_DONE		0x3	
#define NLMSG_OVERRUN		0x4	

#define NLMSG_MIN_TYPE		0x10	

struct nlmsgerr {
	int		error;
	struct nlmsghdr msg;
	
	
};


enum nlmsgerr_attrs {
	NLMSGERR_ATTR_UNUSED,
	NLMSGERR_ATTR_MSG,
	NLMSGERR_ATTR_OFFS,
	NLMSGERR_ATTR_COOKIE,
	NLMSGERR_ATTR_POLICY,
	NLMSGERR_ATTR_MISS_TYPE,
	NLMSGERR_ATTR_MISS_NEST,

	__NLMSGERR_ATTR_MAX,
	NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1
};

#define NETLINK_ADD_MEMBERSHIP		1
#define NETLINK_DROP_MEMBERSHIP		2
#define NETLINK_PKTINFO			3
#define NETLINK_BROADCAST_ERROR		4
#define NETLINK_NO_ENOBUFS		5
#ifndef __KERNEL__
#define NETLINK_RX_RING			6
#define NETLINK_TX_RING			7
#endif
#define NETLINK_LISTEN_ALL_NSID		8
#define NETLINK_LIST_MEMBERSHIPS	9
#define NETLINK_CAP_ACK			10
#define NETLINK_EXT_ACK			11
#define NETLINK_GET_STRICT_CHK		12

struct nl_pktinfo {
	__u32	group;
};

struct nl_mmap_req {
	unsigned int	nm_block_size;
	unsigned int	nm_block_nr;
	unsigned int	nm_frame_size;
	unsigned int	nm_frame_nr;
};

struct nl_mmap_hdr {
	unsigned int	nm_status;
	unsigned int	nm_len;
	__u32		nm_group;
	
	__u32		nm_pid;
	__u32		nm_uid;
	__u32		nm_gid;
};

#ifndef __KERNEL__
enum nl_mmap_status {
	NL_MMAP_STATUS_UNUSED,
	NL_MMAP_STATUS_RESERVED,
	NL_MMAP_STATUS_VALID,
	NL_MMAP_STATUS_COPY,
	NL_MMAP_STATUS_SKIP,
};

#define NL_MMAP_MSG_ALIGNMENT		NLMSG_ALIGNTO
#define NL_MMAP_MSG_ALIGN(sz)		__ALIGN_KERNEL(sz, NL_MMAP_MSG_ALIGNMENT)
#define NL_MMAP_HDRLEN			NL_MMAP_MSG_ALIGN(sizeof(struct nl_mmap_hdr))
#endif

#define NET_MAJOR 36		

enum {
	NETLINK_UNCONNECTED = 0,
	NETLINK_CONNECTED,
};



struct nlattr {
	__u16           nla_len;
	__u16           nla_type;
};


#define NLA_F_NESTED		(1 << 15)
#define NLA_F_NET_BYTEORDER	(1 << 14)
#define NLA_TYPE_MASK		~(NLA_F_NESTED | NLA_F_NET_BYTEORDER)

#define NLA_ALIGNTO		4
#define NLA_ALIGN(len)		(((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1))
#define NLA_HDRLEN		((int) NLA_ALIGN(sizeof(struct nlattr)))


struct nla_bitfield32 {
	__u32 value;
	__u32 selector;
};




enum netlink_attribute_type {
	NL_ATTR_TYPE_INVALID,

	NL_ATTR_TYPE_FLAG,

	NL_ATTR_TYPE_U8,
	NL_ATTR_TYPE_U16,
	NL_ATTR_TYPE_U32,
	NL_ATTR_TYPE_U64,

	NL_ATTR_TYPE_S8,
	NL_ATTR_TYPE_S16,
	NL_ATTR_TYPE_S32,
	NL_ATTR_TYPE_S64,

	NL_ATTR_TYPE_BINARY,
	NL_ATTR_TYPE_STRING,
	NL_ATTR_TYPE_NUL_STRING,

	NL_ATTR_TYPE_NESTED,
	NL_ATTR_TYPE_NESTED_ARRAY,

	NL_ATTR_TYPE_BITFIELD32,
};


enum netlink_policy_type_attr {
	NL_POLICY_TYPE_ATTR_UNSPEC,
	NL_POLICY_TYPE_ATTR_TYPE,
	NL_POLICY_TYPE_ATTR_MIN_VALUE_S,
	NL_POLICY_TYPE_ATTR_MAX_VALUE_S,
	NL_POLICY_TYPE_ATTR_MIN_VALUE_U,
	NL_POLICY_TYPE_ATTR_MAX_VALUE_U,
	NL_POLICY_TYPE_ATTR_MIN_LENGTH,
	NL_POLICY_TYPE_ATTR_MAX_LENGTH,
	NL_POLICY_TYPE_ATTR_POLICY_IDX,
	NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE,
	NL_POLICY_TYPE_ATTR_BITFIELD32_MASK,
	NL_POLICY_TYPE_ATTR_PAD,
	NL_POLICY_TYPE_ATTR_MASK,

	
	__NL_POLICY_TYPE_ATTR_MAX,
	NL_POLICY_TYPE_ATTR_MAX = __NL_POLICY_TYPE_ATTR_MAX - 1
};

#endif 
