C++ (Cpp) uip_udp_arp_event Examples

Example #1

File: uip_server_support.c Project: colinbroad/sc_xtcp

void xtcp_process_incoming_packet(chanend mac_tx)
{
	if (BUF->type == htons(UIP_ETHTYPE_IP)) {
		uip_arp_ipin();
		uip_input();
		if (uip_len > 0) {
			if (uip_udpconnection()
				&& (TCPBUF->proto != UIP_PROTO_ICMP)
				&& (TCPBUF->proto != UIP_PROTO_IGMP))
				uip_arp_out( uip_udp_conn);
			else
				uip_arp_out( NULL);
			xtcp_tx_buffer(mac_tx);
		}
	} else if (BUF->type == htons(UIP_ETHTYPE_ARP)) {
		uip_arp_arpin();

		if (uip_len > 0) {
			xtcp_tx_buffer(mac_tx);
		}
		for (int i = 0; i < UIP_UDP_CONNS; i++) {
			uip_udp_arp_event(i);
			if (uip_len > 0) {
				uip_arp_out(&uip_udp_conns[i]);
				xtcp_tx_buffer(mac_tx);
			}
		}
	}
}

Example #2

File: uip_server_support.c Project: graymalkin/sc_xtcp

/* -----------------------------------------------------------------------------
 * \brief      Deliver an incoming packet to the TCP/IP stack
 *
 *             This function is called by theServer to
 *             deliver an incoming packet to the TCP/IP stack. The
 *             incoming packet must be present in the uip_buf buffer,
 *             and the length of the packet must be in the global
 *             uip_len variable.
 * -------------------------------------------------------------------------- */
void xtcpip_input(chanend mac_tx)
{
/*_______________*/
#if UIP_CONF_IPV4 /* ORIGINAL_XMOS */
	if (BUF->type == htons(UIP_ETHTYPE_IP)) {
		uip_arp_ipin();
		uip_input();
		if (uip_len > 0) {
			if (uip_udpconnection()
				&& (TCPBUF->proto != UIP_PROTO_ICMP)
				&& (TCPBUF->proto != UIP_PROTO_IGMP))
				uip_arp_out( uip_udp_conn);
			else
				uip_arp_out( NULL);
			xtcp_tx_buffer(mac_tx);
		}
	} else if (BUF->type == htons(UIP_ETHTYPE_ARP)) {
		uip_arp_arpin();

		if (uip_len > 0) {
			xtcp_tx_buffer(mac_tx);
		}
		for (int i = 0; i < UIP_UDP_CONNS; i++) {
			uip_udp_arp_event(i);
			if (uip_len > 0) {
				uip_arp_out(&uip_udp_conns[i]);
				xtcp_tx_buffer(mac_tx);
			}
		}
	}
#endif /* UIP_CONF_IPV4 ORIGINAL_XMOS */
/*_______________*/
	/* contiki tcpip.c */
#if UIP_CONF_IP_FORWARD
  if(uip_len > 0) {
    tcpip_is_forwarding = 1;
    if(uip_fw_forward() == UIP_FW_LOCAL) {
      tcpip_is_forwarding = 0;
      check_for_tcp_syn();
      uip_input();
      if(uip_len > 0) {
#if UIP_CONF_TCP_SPLIT
        uip_split_output(mac_tx);
#else /* UIP_CONF_TCP_SPLIT */
#if UIP_CONF_IPV6
        xtcpip_ipv6_output(mac_tx);
#else
	PRINTF("tcpip packet_input forward output len %d\n", uip_len);
        xtcpip_output(mac_tx);
#endif
#endif /* UIP_CONF_TCP_SPLIT */
      }
    }
    tcpip_is_forwarding = 0;
  }
#else /* UIP_CONF_IP_FORWARD */
  if(uip_len > 0) {
    uip_input();
    if(uip_len > 0) {
#if UIP_CONF_TCP_SPLIT
      uip_split_output(mac_tx);
#else /* UIP_CONF_TCP_SPLIT */
#if UIP_CONF_IPV6
      xtcpip_ipv6_output(mac_tx);
#else
      PRINTF("tcpip packet_input output len %d\n", uip_len);
      tcpip_output();
#endif
#endif /* UIP_CONF_TCP_SPLIT */
    }
  }
#endif /* UIP_CONF_IP_FORWARD */
}