#ifndef _NET_IF_H
#define _NET_IF_H

#ifdef __cplusplus
extern "C" {
#endif

#include <sys/socket.h>

#define IF_NAMESIZE 16
#define IFNAMSIZ IF_NAMESIZE
#define ALTIFNAMSIZ 128
#define IFALIASZ 256

struct if_nameindex {
	unsigned int if_index;
	char *if_name;
};

struct ifmap {
	unsigned long mem_start;
	unsigned long mem_end;
	unsigned short base_addr;
	unsigned char irq;
	unsigned char dma;
	unsigned char port;
};

struct ifreq {
	union {
		char ifrn_name[IFNAMSIZ];
	} ifr_ifrn;

	union {
		struct sockaddr ifru_addr;
		struct sockaddr ifru_dstaddr;
		struct sockaddr ifru_broadaddr;
		struct sockaddr ifru_netmask;
		struct sockaddr ifru_hwaddr;
		short int ifru_flags;
		int ifru_ivalue;
		int ifru_mtu;
		struct ifmap ifru_map;
		char ifru_slave[IFNAMSIZ];
		char ifru_newname[IFNAMSIZ];
		char *ifru_data;
	} ifr_ifru;
};

#define ifr_name	ifr_ifrn.ifrn_name
#define ifr_hwaddr	ifr_ifru.ifru_hwaddr
#define ifr_addr	ifr_ifru.ifru_addr
#define ifr_dstaddr	ifr_ifru.ifru_dstaddr
#define ifr_broadaddr	ifr_ifru.ifru_broadaddr
#define ifr_netmask	ifr_ifru.ifru_netmask
#define ifr_flags	ifr_ifru.ifru_flags
#define ifr_metric	ifr_ifru.ifru_ivalue
#define ifr_mtu		ifr_ifru.ifru_mtu
#define ifr_map		ifr_ifru.ifru_map
#define ifr_slave	ifr_ifru.ifru_slave
#define ifr_data	ifr_ifru.ifru_data
#define ifr_ifindex	ifr_ifru.ifru_ivalue
#define ifr_bandwidth	ifr_ifru.ifru_ivalue
#define ifr_qlen	ifr_ifru.ifru_ivalue
#define ifr_newname	ifr_ifru.ifru_newname

struct ifconf {
	int ifc_len;
	union {
		char *ifcu_buf;
		struct ifreq *ifcu_req;
	} ifc_ifcu;
};

#define ifc_buf ifc_ifcu.ifcu_buf
#define ifc_req ifc_ifcu.ifcu_req

#ifndef __MLIBC_ABI_ONLY

void if_freenameindex(struct if_nameindex *);
char *if_indextoname(unsigned int, char *);
struct if_nameindex *if_nameindex(void);
unsigned int if_nametoindex(const char *);

#endif /* !__MLIBC_ABI_ONLY */

#define IFHWADDRLEN 6

#define IFF_UP 0x1
#define IFF_BROADCAST 0x2
#define IFF_DEBUG 0x4
#define IFF_LOOPBACK 0x8
#define IFF_POINTOPOINT 0x10
#define IFF_NOTRAILERS 0x20
#define IFF_RUNNING 0x40
#define IFF_NOARP 0x80
#define IFF_PROMISC 0x100
#define IFF_ALLMULTI 0x200
#define IFF_MASTER 0x400
#define IFF_SLAVE 0x800
#define IFF_MULTICAST 0x1000
#define IFF_PORTSEL 0x2000
#define IFF_AUTOMEDIA 0x4000
#define IFF_DYNAMIC 0x8000
#define IFF_LOWER_UP 0x10000
#define IFF_DORMANT 0x20000
#define IFF_ECHO 0x40000
#define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST| \
        IFF_ECHO|IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT)

#ifdef __cplusplus
}
#endif

#endif // _NET_IF_H