| /* |
| * Copyright (c) 2001-2003 Swedish Institute of Computer Science. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
| * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
| * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
| * OF SUCH DAMAGE. |
| * |
| * This file is part of the lwIP TCP/IP stack. |
| * |
| * Author: Adam Dunkels <adam@sics.se> |
| * |
| */ |
| |
| #include "lwip/debug.h" |
| |
| #include "lwip/def.h" |
| #include "lwip/mem.h" |
| #include "lwip/netif.h" |
| |
| struct netif *netif_list = NULL; |
| struct netif *netif_default = NULL; |
| |
| /*-----------------------------------------------------------------------------------*/ |
| struct netif * |
| netif_add(struct ip_addr *ipaddr, struct ip_addr *netmask, |
| struct ip_addr *gw, |
| void (* init)(struct netif *netif), |
| err_t (* input)(struct pbuf *p, struct netif *netif)) |
| { |
| struct netif *netif; |
| static int netifnum = 0; |
| |
| netif = mem_malloc(sizeof(struct netif)); |
| |
| if(netif == NULL) { |
| return NULL; |
| } |
| |
| netif->num = netifnum++; |
| netif->input = input; |
| ip_addr_set(&(netif->ip_addr), ipaddr); |
| ip_addr_set(&(netif->netmask), netmask); |
| ip_addr_set(&(netif->gw), gw); |
| |
| init(netif); |
| |
| netif->next = netif_list; |
| netif_list = netif; |
| #if NETIF_DEBUG |
| DEBUGF(NETIF_DEBUG, ("netif: added interface %c%c IP addr ", |
| netif->name[0], netif->name[1])); |
| ip_addr_debug_print(ipaddr); |
| DEBUGF(NETIF_DEBUG, (" netmask ")); |
| ip_addr_debug_print(netmask); |
| DEBUGF(NETIF_DEBUG, (" gw ")); |
| ip_addr_debug_print(gw); |
| DEBUGF(NETIF_DEBUG, ("\n")); |
| #endif /* NETIF_DEBUG */ |
| return netif; |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| struct netif * |
| netif_find(char *name) |
| { |
| struct netif *netif; |
| u8_t num; |
| |
| if(name == NULL) { |
| return NULL; |
| } |
| |
| num = name[2] - '0'; |
| |
| for(netif = netif_list; netif != NULL; netif = netif->next) { |
| if(num == netif->num && |
| name[0] == netif->name[0] && |
| name[1] == netif->name[1]) { |
| DEBUGF(NETIF_DEBUG, ("netif_find: found %s\n", name)); |
| return netif; |
| } |
| } |
| DEBUGF(NETIF_DEBUG, ("netif_find: didn't find %s\n", name)); |
| return NULL; |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| void |
| netif_set_ipaddr(struct netif *netif, struct ip_addr *ipaddr) |
| { |
| ip_addr_set(&(netif->ip_addr), ipaddr); |
| DEBUGF(NETIF_DEBUG, ("netif: setting IP address of interface %c%c to %d.%d.%d.%d\n", |
| netif->name[0], netif->name[1], |
| (u8_t)(ntohl(ipaddr->addr) >> 24 & 0xff), |
| (u8_t)(ntohl(ipaddr->addr) >> 16 & 0xff), |
| (u8_t)(ntohl(ipaddr->addr) >> 8 & 0xff), |
| (u8_t)(ntohl(ipaddr->addr) & 0xff))); |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| void |
| netif_set_gw(struct netif *netif, struct ip_addr *gw) |
| { |
| ip_addr_set(&(netif->gw), gw); |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| void |
| netif_set_netmask(struct netif *netif, struct ip_addr *netmask) |
| { |
| ip_addr_set(&(netif->netmask), netmask); |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| void |
| netif_set_default(struct netif *netif) |
| { |
| netif_default = netif; |
| DEBUGF(NETIF_DEBUG, ("netif: setting default interface %c%c\n", |
| netif->name[0], netif->name[1])); |
| } |
| /*-----------------------------------------------------------------------------------*/ |
| void |
| netif_init(void) |
| { |
| netif_list = netif_default = NULL; |
| } |
| /*-----------------------------------------------------------------------------------*/ |