int
tun_rtr_process_input_packet(struct sock *sl)
{
packet_tuple_t tpl;
lbuf_use_stack(&pkt_buf, &pkt_recv_buf, MAX_IP_PKT_LEN);
/* Reserve space in case the received packet was IPv6. In this case the IPv6 header is
* not provided */
lbuf_reserve(&pkt_buf,LBUF_STACK_OFFSET);
if (tun_read_and_decap_pkt(sl->fd, &pkt_buf, &(tpl.iid)) != GOOD) {
return (BAD);
}
OOR_LOG(LDBG_3, "Forwarding packet to OUPUT for re-encapsulation");
lbuf_point_to_l3(&pkt_buf);
lbuf_reset_ip(&pkt_buf);
if (pkt_parse_5_tuple(&pkt_buf, &tpl) != GOOD) {
return (BAD);
}
tun_output(&pkt_buf, &tpl);
return(GOOD);
}
/*---------------------------------------------------------------------------*/
static int
output(void)
{
PRINTF("SUT: %u\n", uip_len);
if(uip_len > 0) {
return tun_output(&uip_buf[UIP_LLH_LEN], uip_len);
}
return 0;
}
