/*====================================================================*
*
*   Copyright (c) 2013 Qualcomm Atheros, Inc.
*
*   All rights reserved.
*
*====================================================================*/

/*====================================================================*
 *
 *   ether.h - Ethernet definitions and declarations;
 *
 *   include or exclude various ethernet related definitions based 
 *   platform and environment;
 *
 *--------------------------------------------------------------------*/

#ifndef ETHER_HEADER
#define ETHER_HEADER

/*====================================================================*
 *   system header files;
 *--------------------------------------------------------------------*/

#include <stdint.h>
#if defined (__linux__)
#       include <net/if.h>
#       include <net/ethernet.h>
#       include <arpa/inet.h>
#elif defined (__APPLE__)
#       include <sys/types.h>
#       include <sys/socket.h>
#       include <net/if.h>
#       include <net/ethernet.h>
#       include <arpa/inet.h>
#       include <net/bpf.h>
#elif defined (__OpenBSD__)
#       include <sys/ioctl.h>
#       include <sys/types.h>
#       include <sys/socket.h>
#       include <net/if.h>
#       include <netinet/in.h>
#       include <netinet/if_ether.h>
#       include <net/bpf.h>
#       include <fcntl.h>
#elif defined (WIN32)
#       if defined (WINPCAP)
#               include <pcap.h>
#               include <Packet32.h>
#       endif
#       include <net/ethernet.h>
#       include <net/if.h>
#elif defined (__CYGWIN__)
#	error "Cygwin is unsupported!"
#else
#	error "Unknown environment!"
#endif

/*====================================================================*
 *   custom header files;
 *--------------------------------------------------------------------*/

#include "../tools/types.h"

/*====================================================================*
 *   variables;
 *--------------------------------------------------------------------*/

typedef struct nic 

{ 
	unsigned ifindex; 
	byte ethernet [ETHER_ADDR_LEN]; 
	byte internet [4]; 
	char ifname [IF_NAMESIZE]; 
	char ifdesc [255]; 
} 

NIC; 

/*====================================================================*
 *   channel ethertype definitions;
 *--------------------------------------------------------------------*/

#if !defined (__linux__)
#define ETH_P_802_2 1
#endif

#define ETH_P_HP1 0x887B	/* HomePlug 1.0 Powerline Networking */
#define ETH_P_HCP 0x88B7	/* IEEE 1901 Hybrid Networking */
#define ETH_P_HPAV 0x88E1	/* HomePlug AV Powerline Networking */
#define ETH_P_1905 0x893A	/* IEEE 1905 Home Networking*/
#define ETH_P_LLDP 0x88CC

/*====================================================================*
 *   basic 802.2 Ethernet frame structure;
 *--------------------------------------------------------------------*/

#ifndef __GNUC__
#pragma pack (push, 1)
#endif

typedef struct ethernet_frame 

{ 
	byte frame_dhost [ETHER_ADDR_LEN]; 
	byte frame_shost [ETHER_ADDR_LEN]; 
	uint16_t frame_type; 
	byte frame_data [ETHERMTU]; 
} 

FRAME; 

#ifndef __GNUC__
#pragma pack (pop)
#endif

/*====================================================================*
 *   functions;
 *--------------------------------------------------------------------*/

char * getifname (signed number); 
signed gethwaddr (void * memory, char const * device); 
signed anynic (char buffer [], unsigned length); 
unsigned hostnics (struct nic list [], unsigned size); 

/*====================================================================*
 *
 *--------------------------------------------------------------------*/

#endif