2 * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
27 * This file is part of the lwIP TCP/IP stack.
29 * Author: Adam Dunkels <adam@sics.se>
33 #include "lwip/debug.h"
37 #include "lwip/netif.h"
39 struct netif *netif_list = NULL;
40 struct netif *netif_default = NULL;
42 /*-----------------------------------------------------------------------------------*/
44 netif_add(struct ip_addr *ipaddr, struct ip_addr *netmask,
46 void (* init)(struct netif *netif),
47 err_t (* input)(struct pbuf *p, struct netif *netif))
50 static int netifnum = 0;
52 netif = mem_malloc(sizeof(struct netif));
58 netif->num = netifnum++;
60 ip_addr_set(&(netif->ip_addr), ipaddr);
61 ip_addr_set(&(netif->netmask), netmask);
62 ip_addr_set(&(netif->gw), gw);
66 netif->next = netif_list;
69 DEBUGF(NETIF_DEBUG, ("netif: added interface %c%c IP addr ",
70 netif->name[0], netif->name[1]));
71 ip_addr_debug_print(ipaddr);
72 DEBUGF(NETIF_DEBUG, (" netmask "));
73 ip_addr_debug_print(netmask);
74 DEBUGF(NETIF_DEBUG, (" gw "));
75 ip_addr_debug_print(gw);
76 DEBUGF(NETIF_DEBUG, ("\n"));
77 #endif /* NETIF_DEBUG */
80 /*-----------------------------------------------------------------------------------*/
82 netif_find(char *name)
93 for(netif = netif_list; netif != NULL; netif = netif->next) {
94 if(num == netif->num &&
95 name[0] == netif->name[0] &&
96 name[1] == netif->name[1]) {
97 DEBUGF(NETIF_DEBUG, ("netif_find: found %s\n", name));
101 DEBUGF(NETIF_DEBUG, ("netif_find: didn't find %s\n", name));
104 /*-----------------------------------------------------------------------------------*/
106 netif_set_ipaddr(struct netif *netif, struct ip_addr *ipaddr)
108 ip_addr_set(&(netif->ip_addr), ipaddr);
109 DEBUGF(NETIF_DEBUG, ("netif: setting IP address of interface %c%c to %d.%d.%d.%d\n",
110 netif->name[0], netif->name[1],
111 (u8_t)(ntohl(ipaddr->addr) >> 24 & 0xff),
112 (u8_t)(ntohl(ipaddr->addr) >> 16 & 0xff),
113 (u8_t)(ntohl(ipaddr->addr) >> 8 & 0xff),
114 (u8_t)(ntohl(ipaddr->addr) & 0xff)));
116 /*-----------------------------------------------------------------------------------*/
118 netif_set_gw(struct netif *netif, struct ip_addr *gw)
120 ip_addr_set(&(netif->gw), gw);
122 /*-----------------------------------------------------------------------------------*/
124 netif_set_netmask(struct netif *netif, struct ip_addr *netmask)
126 ip_addr_set(&(netif->netmask), netmask);
128 /*-----------------------------------------------------------------------------------*/
130 netif_set_default(struct netif *netif)
132 netif_default = netif;
133 DEBUGF(NETIF_DEBUG, ("netif: setting default interface %c%c\n",
134 netif->name[0], netif->name[1]));
136 /*-----------------------------------------------------------------------------------*/
140 netif_list = netif_default = NULL;
142 /*-----------------------------------------------------------------------------------*/