tools/mv_omci_tool.c

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#include <stdio.h>
#include <sys/socket.h>
#include <linux/if_packet.h>
#include <linux/if_ether.h> 

int main(int argc, char* argv[])
{
	char buf[1024];
	int sz, i;
	int sk, proto = 0x9000;
	struct sockaddr_ll socket_address; 

    	if(argc >= 2) 
       		proto = strtol(argv[1], (char **)NULL, 16);

   	printf("Open Raw socket for protocol 0x%x\n", proto);

    	sk = socket(AF_PACKET, SOCK_RAW, htons(proto)); 
    	if (sk < 0) {
		perror("open:");
		goto out;
    	}

    do {

        sz = recv(sk, buf, 1024, 0);
        if (sz == -1) {
            perror("recv ERROR");
            goto out;
        }
        printf("read %d bytes\n", sz);
        i = 0;
/*
        while(i < sz) {
            printf("%02x ", buf[i]);
            i++;
            if( (i % 32) == 0)
		printf("\n");
        }
	printf("\n");
*/
        /* Send data back */
	socket_address.sll_family = PF_PACKET;
	socket_address.sll_protocol = htons(proto);
	socket_address.sll_ifindex = 2; 
	socket_address.sll_pkttype = PACKET_OTHERHOST; 
 
        sz = sendto(sk, buf, sz, 0, 
		    (struct sockaddr*)&socket_address, sizeof(socket_address)); 

        if (sz == -1) {
            perror("send ERROR");
            goto out;
        }
        printf("send %d bytes\n", sz);
    } while (1);

out:
    if (sk > 0)
	close(sk);

    return 0;
}