static bool convert_mbed_addr_to_lwip(ip_addr_t *out, const nsapi_addr_t *in) { #if LWIP_IPV6 if (in->version == NSAPI_IPv6) { IP_SET_TYPE(out, IPADDR_TYPE_V6); MEMCPY(ip_2_ip6(out), in->bytes, sizeof(ip6_addr_t)); return true; } #if !LWIP_IPV4 /* For bind() and other purposes, need to accept "null" of other type */ /* (People use IPv4 0.0.0.0 as a general null) */ if (in->version == NSAPI_UNSPEC || (in->version == NSAPI_IPv4 && all_zeros(in->bytes, 4))) { ip_addr_set_zero_ip6(out); return true; } #endif #endif #if LWIP_IPV4 if (in->version == NSAPI_IPv4) { IP_SET_TYPE(out, IPADDR_TYPE_V4); MEMCPY(ip_2_ip4(out), in->bytes, sizeof(ip4_addr_t)); return true; } #if !LWIP_IPV6 /* For symmetry with above, accept IPv6 :: as a general null */ if (in->version == NSAPI_UNSPEC || (in->version == NSAPI_IPv6 && all_zeros(in->bytes, 16))) { ip_addr_set_zero_ip4(out); return true; } #endif #endif #if LWIP_IPV4 && LWIP_IPV6 if (in->version == NSAPI_UNSPEC) { #if IP_VERSION_PREF == PREF_IPV4 ip_addr_set_zero_ip4(out); #else ip_addr_set_zero_ip6(out); #endif return true; } #endif return false; }
/** * Add a network interface to the list of lwIP netifs. * * @param netif a pre-allocated netif structure * @param ipaddr IP address for the new netif * @param netmask network mask for the new netif * @param gw default gateway IP address for the new netif * @param state opaque data passed to the new netif * @param init callback function that initializes the interface * @param input callback function that is called to pass * ingress packets up in the protocol layer stack. * * @return netif, or NULL if failed. */ struct netif * netif_add(struct netif *netif, #if LWIP_IPV4 const ip4_addr_t *ipaddr, const ip4_addr_t *netmask, const ip4_addr_t *gw, #endif /* LWIP_IPV4 */ void *state, netif_init_fn init, netif_input_fn input) { #if LWIP_IPV6 u32_t i; #endif LWIP_ASSERT("No init function given", init != NULL); /* reset new interface configuration state */ #if LWIP_IPV4 ip_addr_set_zero_ip4(&netif->ip_addr); ip_addr_set_zero_ip4(&netif->netmask); ip_addr_set_zero_ip4(&netif->gw); #endif /* LWIP_IPV4 */ #if LWIP_IPV6 for (i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++) { ip_addr_set_zero_ip6(&netif->ip6_addr[i]); netif_ip6_addr_set_state(netif, i, IP6_ADDR_INVALID); } netif->output_ip6 = netif_null_output_ip6; #endif /* LWIP_IPV6 */ NETIF_SET_CHECKSUM_CTRL(netif, NETIF_CHECKSUM_ENABLE_ALL); netif->flags = 0; #if LWIP_DHCP /* netif not under DHCP control by default */ netif->dhcp = NULL; #ifdef LWIP_ESP8266 netif->dhcps_pcb = NULL; #endif #endif /* LWIP_DHCP */ #if LWIP_AUTOIP /* netif not under AutoIP control by default */ netif->autoip = NULL; #endif /* LWIP_AUTOIP */ #if LWIP_IPV6_AUTOCONFIG #ifdef LWIP_ESP8266 //#if 0 netif->ip6_autoconfig_enabled = 1; #else /* IPv6 address autoconfiguration not enabled by default */ netif->ip6_autoconfig_enabled = 0; #endif #endif /* LWIP_IPV6_AUTOCONFIG */ #if LWIP_IPV6_SEND_ROUTER_SOLICIT netif->rs_count = LWIP_ND6_MAX_MULTICAST_SOLICIT; #endif /* LWIP_IPV6_SEND_ROUTER_SOLICIT */ #if LWIP_IPV6_DHCP6 /* netif not under DHCPv6 control by default */ netif->dhcp6 = NULL; #endif /* LWIP_IPV6_DHCP6 */ #if LWIP_NETIF_STATUS_CALLBACK netif->status_callback = NULL; #endif /* LWIP_NETIF_STATUS_CALLBACK */ #if LWIP_NETIF_LINK_CALLBACK netif->link_callback = NULL; #endif /* LWIP_NETIF_LINK_CALLBACK */ #if LWIP_IGMP netif->igmp_mac_filter = NULL; #endif /* LWIP_IGMP */ #if LWIP_IPV6 && LWIP_IPV6_MLD netif->mld_mac_filter = NULL; #endif /* LWIP_IPV6 && LWIP_IPV6_MLD */ #if ENABLE_LOOPBACK netif->loop_first = NULL; netif->loop_last = NULL; #endif /* ENABLE_LOOPBACK */ /* remember netif specific state information data */ netif->state = state; netif->num = netif_num++; netif->input = input; NETIF_SET_HWADDRHINT(netif, NULL); #if ENABLE_LOOPBACK && LWIP_LOOPBACK_MAX_PBUFS netif->loop_cnt_current = 0; #endif /* ENABLE_LOOPBACK && LWIP_LOOPBACK_MAX_PBUFS */ #if LWIP_IPV4 netif_set_addr(netif, ipaddr, netmask, gw); #endif /* LWIP_IPV4 */ /* call user specified initialization function for netif */ if (init(netif) != ERR_OK) { return NULL; } /* add this netif to the list */ netif->next = netif_list; netif_list = netif; mib2_netif_added(netif); #if LWIP_IGMP /* start IGMP processing */ if (netif->flags & NETIF_FLAG_IGMP) { igmp_start(netif); } #endif /* LWIP_IGMP */ LWIP_DEBUGF(NETIF_DEBUG, ("netif: added interface %c%c IP", netif->name[0], netif->name[1])); #if LWIP_IPV4 LWIP_DEBUGF(NETIF_DEBUG, (" addr ")); ip4_addr_debug_print(NETIF_DEBUG, ipaddr); LWIP_DEBUGF(NETIF_DEBUG, (" netmask ")); ip4_addr_debug_print(NETIF_DEBUG, netmask); LWIP_DEBUGF(NETIF_DEBUG, (" gw ")); ip4_addr_debug_print(NETIF_DEBUG, gw); #endif /* LWIP_IPV4 */ LWIP_DEBUGF(NETIF_DEBUG, ("\n")); return netif; }