/*****************************************
 Exemplo - Socket RAW para envio de frames
 *****************************************/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>
#include <sys/ioctl.h>          
#include <sys/types.h>         
#include <sys/socket.h>        
#include <netinet/in.h>
#include <net/if.h> 	
#include <arpa/inet.h>
#include <net/ethernet.h>       
#include <linux/if_packet.h>

unsigned char buff[1500];

void monta_pacote()
{
	struct ether_header *eth;

	eth = (struct ether_header *) &buff[0];
	
	//Endereco Mac Destino
		eth->ether_dhost[0] = 0X00; 
		eth->ether_dhost[1] = 0X06;
		eth->ether_dhost[2] = 0X5B;
		eth->ether_dhost[3] = 0X28;
		eth->ether_dhost[4] = 0XAE;
		eth->ether_dhost[5] = 0X73;

	//Endereco Mac Origem
		eth->ether_shost[0] = 0X00;
		eth->ether_shost[1] = 0X08;
		eth->ether_shost[2] = 0X74;
		eth->ether_shost[3] = 0XB5;
		eth->ether_shost[4] = 0XB5;
		eth->ether_shost[5] = 0X8E;

		eth->ether_type = htons(0X800);

}

int main(int argc,char *argv[])
{
	int sock, i;
	struct ifreq ifr;
	struct sockaddr_ll to;
	socklen_t len;
	unsigned char addr[6];
	
	memset(&ifr, 0, sizeof(ifr));
	if((sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL))) < 0)  {
		perror("Erro na criacao do socket");
    		exit(0);
 	}
	
	to.sll_protocol= htons(ETH_P_ALL);
	to.sll_ifindex = 2;
	monta_pacote();

	addr[0]=0x00;
	addr[0]=0x0b;
	addr[0]=0xcd;
	addr[0]=0x5e;
	addr[0]=0xee;
	addr[0]=0x6d;
	memcpy (to.sll_addr, addr, 6);
	len = sizeof(struct sockaddr_ll);

	if(sendto(sock, (char *) buff, sizeof(buff), 0, (struct sockaddr*) &to, len)<0)
			perror("sendto maquina B");
}