/*---------------------------------------------------------------------------*/ static void packet_input(void) { if(uip_len > 0) { #if UIP_CONF_IP_FORWARD tcpip_is_forwarding = 1; if(uip_fw_forward() != UIP_FW_LOCAL) { tcpip_is_forwarding = 0; return; } tcpip_is_forwarding = 0; #endif /* UIP_CONF_IP_FORWARD */ check_for_tcp_syn(); uip_input(); if(uip_len > 0) { #if UIP_CONF_TCP_SPLIT uip_split_output(); #else /* UIP_CONF_TCP_SPLIT */ #if NETSTACK_CONF_WITH_IPV6 tcpip_ipv6_output(); #else /* NETSTACK_CONF_WITH_IPV6 */ PRINTF("tcpip packet_input output len %d\n", uip_len); tcpip_output(); #endif /* NETSTACK_CONF_WITH_IPV6 */ #endif /* UIP_CONF_TCP_SPLIT */ } } }
/*---------------------------------------------------------------------------*/ static uint8_t packet_input(struct net_buf *buf) { uint8_t ret = 0; #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(); #else /* UIP_CONF_TCP_SPLIT */ #if NETSTACK_CONF_WITH_IPV6 tcpip_ipv6_output(); #else PRINTF("tcpip packet_input forward output len %d\n", uip_len); tcpip_output(); #endif #endif /* UIP_CONF_TCP_SPLIT */ } } tcpip_is_forwarding = 0; } #else /* UIP_CONF_IP_FORWARD */ if(uip_len(buf) > 0) { check_for_tcp_syn(buf); ret = uip_input(buf); if(ret && uip_len(buf) > 0) { #if UIP_CONF_TCP_SPLIT uip_split_output(buf); #else /* UIP_CONF_TCP_SPLIT */ #if NETSTACK_CONF_WITH_IPV6 PRINTF("tcpip packet_input output len %d\n", uip_len(buf)); ret = tcpip_ipv6_output(buf); #else PRINTF("tcpip packet_input output len %d\n", uip_len(buf)); ret = tcpip_output(buf, NULL); #endif #endif /* UIP_CONF_TCP_SPLIT */ } } #endif /* UIP_CONF_IP_FORWARD */ return ret; }
/*---------------------------------------------------------------------------*/ static void packet_input(void) { #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(); #else /* UIP_CONF_TCP_SPLIT */ #if UIP_CONF_IPV6 tcpip_ipv6_output(); #else PRINTF("tcpip packet_input forward output len %d\n", uip_len); tcpip_output(); #endif #endif /* UIP_CONF_TCP_SPLIT */ } } tcpip_is_forwarding = 0; } #else /* UIP_CONF_IP_FORWARD */ if(uip_len > 0) { check_for_tcp_syn(); uip_input(); if(uip_len > 0) { #if UIP_CONF_TCP_SPLIT uip_split_output(); #else /* UIP_CONF_TCP_SPLIT */ #if UIP_CONF_IPV6 tcpip_ipv6_output(); #else PRINTF("tcpip packet_input output len %d\n", uip_len); tcpip_output(); #endif #endif /* UIP_CONF_TCP_SPLIT */ } } #endif /* UIP_CONF_IP_FORWARD */ }
/*---------------------------------------------------------------------------*/ static void packet_input(void) { if(uip_len > 0) { check_for_tcp_syn(); uip_input(); if(uip_len > 0) { #if NETSTACK_CONF_WITH_IPV6 tcpip_ipv6_output(); #else /* NETSTACK_CONF_WITH_IPV6 */ tcpip_output(); #endif /* NETSTACK_CONF_WITH_IPV6 */ } } }
/*---------------------------------------------------------------------------*/ static void packet_input(void) { #if FORWARDER rpl_instance_t *instance; uint8_t octet; uint8_t ip6id; int rssi_temp; uint8_t send_rssi; rimeaddr_t packet_from_addr; packet_from_addr = *packetbuf_addr(PACKETBUF_ADDR_SENDER); instance = &instance_table[0]; octet = packet_from_addr.u8[7]; ip6id = (octet & 0b00111111) << 2; tcp_rssi = packetbuf_attr(PACKETBUF_ATTR_RSSI); if(is_mobile_node(octet) == 1) { packet_input_count++; rssi_temp = tcp_rssi - 45; if(tcp_rssi > 200) { rssi_temp = tcp_rssi - 255 - 46; } rssi_sum += rssi_temp; if(packet_input_count == WINDOW_SIZE) { rssi_sum = rssi_sum / WINDOW_SIZE; PRINTF("RSSI = %d\n", rssi_sum); PRINTF("packet input count = %d\n", packet_input_count); if(rssi_sum <= -90) { send_rssi = rssi_sum + 255 + 46; dis_output(NULL, 1, 0, send_rssi, ip6id); } rssi_sum = 0; packet_input_count = 0; } } #endif #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(); #else /* UIP_CONF_TCP_SPLIT */ #if UIP_CONF_IPV6 tcpip_ipv6_output(); #else PRINTF("tcpip packet_input forward output len %d\n", uip_len); tcpip_output(); #endif #endif /* UIP_CONF_TCP_SPLIT */ } } tcpip_is_forwarding = 0; } #else /* UIP_CONF_IP_FORWARD */ if(uip_len > 0) { check_for_tcp_syn(); uip_input(); if(uip_len > 0) { #if UIP_CONF_TCP_SPLIT uip_split_output(); #else /* UIP_CONF_TCP_SPLIT */ #if UIP_CONF_IPV6 tcpip_ipv6_output(); #else PRINTF("tcpip packet_input output len %d\n", uip_len); tcpip_output(); #endif #endif /* UIP_CONF_TCP_SPLIT */ } } #endif /* UIP_CONF_IP_FORWARD */ }
/* ----------------------------------------------------------------------------- * \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 */ }