/** * Change the IP address of a network interface * * @param netif the network interface to change * @param ipaddr the new IP address * * @note call netif_set_addr() if you also want to change netmask and * default gateway */ void netif_set_ipaddr(struct netif *netif, ip_addr_t *ipaddr) { /* TODO: Handling of obsolete pcbs */ /* See: http://mail.gnu.org/archive/html/lwip-users/2003-03/msg00118.html */ #if LWIP_TCP struct tcp_pcb *pcb; struct tcp_pcb_listen *lpcb; /* address is actually being changed? */ if ((ip_addr_cmp(ipaddr, &(netif->ip_addr))) == 0) { /* extern struct tcp_pcb *tcp_active_pcbs; defined by tcp.h */ LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_STATE, ("netif_set_ipaddr: netif address being changed\n")); pcb = tcp_active_pcbs; while (pcb != NULL) { /* PCB bound to current local interface address? */ if (ip_addr_cmp(&(pcb->local_ip), &(netif->ip_addr)) #if LWIP_AUTOIP /* connections to link-local addresses must persist (RFC3927 ch. 1.9) */ && !ip_addr_islinklocal(&(pcb->local_ip)) #endif /* LWIP_AUTOIP */ ) { /* this connection must be aborted */ struct tcp_pcb *next = pcb->next; LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_STATE, ("netif_set_ipaddr: aborting TCP pcb %p\n", (void *)pcb)); tcp_abort(pcb); pcb = next; } else { pcb = pcb->next; } } for (lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) { /* PCB bound to current local interface address? */ if ((!(ip_addr_isany(&(lpcb->local_ip)))) && (ip_addr_cmp(&(lpcb->local_ip), &(netif->ip_addr)))) { /* The PCB is listening to the old ipaddr and * is set to listen to the new one instead */ ip_addr_set(&(lpcb->local_ip), ipaddr); } } } #endif snmp_delete_ipaddridx_tree(netif); snmp_delete_iprteidx_tree(0,netif); /* set new IP address to netif */ ip_addr_set(&(netif->ip_addr), ipaddr); snmp_insert_ipaddridx_tree(netif); snmp_insert_iprteidx_tree(0,netif); LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: IP address of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", netif->name[0], netif->name[1], ip4_addr1_16(&netif->ip_addr), ip4_addr2_16(&netif->ip_addr), ip4_addr3_16(&netif->ip_addr), ip4_addr4_16(&netif->ip_addr))); }
/** * Change the netmask of a network interface * * @param netif the network interface to change * @param netmask the new netmask * * @note call netif_set_addr() if you also want to change ip address and * default gateway */ void netif_set_netmask(struct netif *netif, ip_addr_t *netmask) { snmp_delete_iprteidx_tree(0, netif); /* set new netmask to netif */ ip_addr_set(&(netif->netmask), netmask); snmp_insert_iprteidx_tree(0, netif); LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: netmask of interface %c%c set to " IP4_F "\n", netif->name[0], netif->name[1], IP4_FV(&netif->netmask))); }
/** * Set a network interface as the default network interface * (used to output all packets for which no specific route is found) * * @param netif the default network interface */ void netif_set_default(struct netif *netif) { if (netif == NULL) { /* remove default route */ snmp_delete_iprteidx_tree(1, netif); } else { /* install default route */ snmp_insert_iprteidx_tree(1, netif); } netif_default = netif; LWIP_DEBUGF(NETIF_DEBUG, ("netif: setting default interface %c%c\n", netif ? netif->name[0] : '\'', netif ? netif->name[1] : '\'')); }
/** * Change the netmask of a network interface * * @param netif the network interface to change * @param netmask the new netmask * * @note call netif_set_addr() if you also want to change ip address and * default gateway */ void netif_set_netmask(struct netif *netif, struct ip_addr *netmask) { snmp_delete_iprteidx_tree(0, netif); /* set new netmask to netif */ ip_addr_set(&(netif->netmask), netmask); snmp_insert_iprteidx_tree(0, netif); LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE | 3, ("netif: netmask of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", netif->name[0], netif->name[1], ip4_addr1(&netif->netmask), ip4_addr2(&netif->netmask), ip4_addr3(&netif->netmask), ip4_addr4(&netif->netmask))); }
/** * Change the netmask of a network interface * * @param netif the network interface to change * @param netmask the new netmask * * @note call netif_set_addr() if you also want to change ip address and * default gateway */ void netif_set_netmask(struct netif *netif, ip_addr_t *netmask) { snmp_delete_iprteidx_tree(0, netif); /* set new netmask to netif */ ip_addr_set(&(netif->netmask), netmask); snmp_insert_iprteidx_tree(0, netif); LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: netmask of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", ((netif->name[0]) ?netif->name[0] :'-'), ((netif->name[1]) ?netif->name[1] :'-'), ip4_addr1_16(&netif->netmask), ip4_addr2_16(&netif->netmask), ip4_addr3_16(&netif->netmask), ip4_addr4_16(&netif->netmask))); }
/** * Change the netmask of a network interface * * @param netif the network interface to change * @param netmask the new netmask * * @note call if_set_addr() if you also want to change ip address and * default gateway */ void if_set_netmask (struct interface *netif, ip_addr_t * netmask) { #ifdef CONFIG_OPENSWITCH_TCP_IP snmp_delete_iprteidx_tree (0, netif); #endif /* set new netmask to netif */ ip_addr_set (&(netif->netmask), netmask); #ifdef CONFIG_OPENSWITCH_TCP_IP snmp_insert_iprteidx_tree (0, netif); #endif LWIP_DEBUGF (NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: netmask of interface %c%c set to %" U16_F ".%" U16_F ".%" U16_F ".%" U16_F "\n", netif->ifDescr[0], netif->ifDescr[1], ip4_addr1_16 (&netif->netmask), ip4_addr2_16 (&netif->netmask), ip4_addr3_16 (&netif->netmask), ip4_addr4_16 (&netif->netmask))); }