/*-----------------------------------------------------------------------------------*/ static void low_level_init(struct netif *netif) { char adapter_mac_addr[ETHARP_HWADDR_LEN]; u8_t my_mac_addr[ETHARP_HWADDR_LEN] = LWIP_MAC_ADDR_BASE; int adapter_num = PACKET_LIB_ADAPTER_NR; enum link_adapter_event linkstate; #ifdef PACKET_LIB_GET_ADAPTER_NETADDRESS ip_addr_t netaddr; #define GUID_LEN 128 char guid[GUID_LEN + 1]; memset(&guid, 0, sizeof(guid)); PACKET_LIB_GET_ADAPTER_NETADDRESS(&netaddr); if (get_adapter_index_from_addr((struct in_addr *)&netaddr, guid, GUID_LEN) < 0) { printf("ERROR initializing network adapter, failed to get GUID for network address %s\n", ip_ntoa(&netaddr)); LWIP_ASSERT("ERROR initializing network adapter, failed to get GUID for network address!", 0); return; } adapter_num = get_adapter_index(guid); if (adapter_num < 0) { printf("ERROR finding network adapter with GUID \"%s\"!\n", guid); LWIP_ASSERT("ERROR finding network adapter with expected GUID!", 0); return; } #else /* PACKET_LIB_GET_ADAPTER_NETADDRESS */ #ifdef PACKET_LIB_ADAPTER_GUID /* get adapter index for guid string */ adapter_num = get_adapter_index(PACKET_LIB_ADAPTER_GUID); if (adapter_num < 0) { printf("ERROR finding network adapter with GUID \"%s\"!\n", PACKET_LIB_ADAPTER_GUID); LWIP_ASSERT("ERROR initializing network adapter!\n", 0); return; } #endif /* PACKET_LIB_ADAPTER_GUID */ #endif /* PACKET_LIB_GET_ADAPTER_NETADDRESS */ /* Do whatever else is needed to initialize interface. */ if ((netif->state = init_adapter(adapter_num, adapter_mac_addr, ethernetif_process_input, netif, &linkstate)) == NULL) { printf("ERROR initializing network adapter %d!\n", PACKET_LIB_ADAPTER_NR); LWIP_ASSERT("ERROR initializing network adapter!", 0); return; } /* change the MAC address to a unique value so that multiple ethernetifs are supported */ my_mac_addr[ETHARP_HWADDR_LEN - 1] += netif->num; /* Copy MAC addr */ memcpy(&netif->hwaddr, my_mac_addr, ETHARP_HWADDR_LEN); if (linkstate == LINKEVENT_UP) { netif_set_link_up(netif); } else { netif_set_link_down(netif); } LWIP_DEBUGF(NETIF_DEBUG, ("pktif: eth_addr %02X%02X%02X%02X%02X%02X\n",netif->hwaddr[0],netif->hwaddr[1],netif->hwaddr[2],netif->hwaddr[3],netif->hwaddr[4],netif->hwaddr[5])); }
/** Low-level initialization: find the correct adapter and initialize it. */ static void pcapif_low_level_init(struct netif *netif) { u8_t my_mac_addr[ETHARP_HWADDR_LEN] = LWIP_MAC_ADDR_BASE; int adapter_num = PACKET_LIB_ADAPTER_NR; struct pcapif_private *pa; /* If 'state' is != NULL at this point, we assume it is an 'int' giving the index of the adapter to use (+ 1 because 0==NULL is invalid). This can be used to instantiate multiple PCAP drivers. */ if (netif->state != NULL) { adapter_num = ((int)netif->state) - 1; if (adapter_num < 0) { printf("ERROR: invalid adapter index \"%d\"!\n", adapter_num); LWIP_ASSERT("ERROR initializing network adapter!\n", 0); return; } } #ifdef PACKET_LIB_GET_ADAPTER_NETADDRESS ip_addr_t netaddr; #define GUID_LEN 128 char guid[GUID_LEN + 1]; memset(&guid, 0, sizeof(guid)); PACKET_LIB_GET_ADAPTER_NETADDRESS(&netaddr); if (get_adapter_index_from_addr((struct in_addr *)&netaddr, guid, GUID_LEN) < 0) { printf("ERROR initializing network adapter, failed to get GUID for network address %s\n", ip_ntoa(&netaddr)); LWIP_ASSERT("ERROR initializing network adapter, failed to get GUID for network address!", 0); return; } adapter_num = get_adapter_index(guid); if (adapter_num < 0) { printf("ERROR finding network adapter with GUID \"%s\"!\n", guid); LWIP_ASSERT("ERROR finding network adapter with expected GUID!", 0); return; } #else /* PACKET_LIB_GET_ADAPTER_NETADDRESS */ #ifdef PACKET_LIB_ADAPTER_GUID /* get adapter index for guid string */ adapter_num = get_adapter_index(PACKET_LIB_ADAPTER_GUID); if (adapter_num < 0) { printf("ERROR finding network adapter with GUID \"%s\"!\n", PACKET_LIB_ADAPTER_GUID); LWIP_ASSERT("ERROR initializing network adapter!\n", 0); return; } #endif /* PACKET_LIB_ADAPTER_GUID */ #endif /* PACKET_LIB_GET_ADAPTER_NETADDRESS */ /* Do whatever else is needed to initialize interface. */ pa = pcapif_init_adapter(adapter_num, netif); if (pa == NULL) { printf("ERROR initializing network adapter %d!\n", adapter_num); LWIP_ASSERT("ERROR initializing network adapter!", 0); return; } netif->state = pa; /* change the MAC address to a unique value so that multiple ethernetifs are supported */ /* @todo: this does NOT support multiple processes using this adapter! */ my_mac_addr[ETHARP_HWADDR_LEN - 1] += netif->num; /* Copy MAC addr */ memcpy(&netif->hwaddr, my_mac_addr, ETHARP_HWADDR_LEN); /* get the initial link state of the selected interface */ #if PCAPIF_HANDLE_LINKSTATE pa->last_link_event = pcapifh_linkstate_get(pa->link_state); if (pa->last_link_event == PCAPIF_LINKEVENT_DOWN) { netif_set_link_down(netif); } else { netif_set_link_up(netif); } sys_timeout(PCAPIF_LINKCHECK_INTERVAL_MS, pcapif_check_linkstate, netif); #endif /* PCAPIF_HANDLE_LINKSTATE */ #if PCAPIF_RX_USE_THREAD pa->rx_run = 1; pa->rx_running = 1; sys_thread_new("pcapif_rxthread", pcapif_input_thread, netif, 0, 0); #endif LWIP_DEBUGF(NETIF_DEBUG, ("pcapif: eth_addr %02X%02X%02X%02X%02X%02X\n",netif->hwaddr[0],netif->hwaddr[1],netif->hwaddr[2],netif->hwaddr[3],netif->hwaddr[4],netif->hwaddr[5])); }