UbixOS V2 2.0

ip.c
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1
24 /*
25 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
26 * All rights reserved.
27 *
28 * Redistribution and use in source and binary forms, with or without modification,
29 * are permitted provided that the following conditions are met:
30 *
31 * 1. Redistributions of source code must retain the above copyright notice,
32 * this list of conditions and the following disclaimer.
33 * 2. Redistributions in binary form must reproduce the above copyright notice,
34 * this list of conditions and the following disclaimer in the documentation
35 * and/or other materials provided with the distribution.
36 * 3. The name of the author may not be used to endorse or promote products
37 * derived from this software without specific prior written permission.
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
40 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
41 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
42 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
43 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
44 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
45 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
46 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
47 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
48 * OF SUCH DAMAGE.
49 *
50 * This file is part of the lwIP TCP/IP stack.
51 *
52 * Author: Adam Dunkels <adam@sics.se>
53 *
54 */
55
56 #include "net/opt.h"
57
58 #if LWIP_IPV4 || LWIP_IPV6
59
60 #include "net/ip_addr.h"
61 #include "net/ip.h"
62
64 struct ip_globals ip_data;
65
66 #if LWIP_IPV4 && LWIP_IPV6
67
68 const ip_addr_t ip_addr_any_type = IPADDR_ANY_TYPE_INIT;
69
79 int
80 ipaddr_aton(const char *cp, ip_addr_t *addr)
81 {
82 if (cp != NULL) {
83 const char* c;
84 for (c = cp; *c != 0; c++) {
85 if (*c == ':') {
86 /* contains a colon: IPv6 address */
87 if (addr) {
88 IP_SET_TYPE_VAL(*addr, IPADDR_TYPE_V6);
89 }
90 return ip6addr_aton(cp, ip_2_ip6(addr));
91 } else if (*c == '.') {
92 /* contains a dot: IPv4 address */
93 break;
94 }
95 }
96 /* call ip4addr_aton as fallback or if IPv4 was found */
97 if (addr) {
98 IP_SET_TYPE_VAL(*addr, IPADDR_TYPE_V4);
99 }
100 return ip4addr_aton(cp, ip_2_ip4(addr));
101 }
102 return 0;
103 }
104
110 err_t
111 ip_input(struct pbuf *p, struct netif *inp)
112 {
113 if (p != NULL) {
114 if (IP_HDR_GET_VERSION(p->payload) == 6) {
115 return ip6_input(p, inp);
116 }
117 return ip4_input(p, inp);
118 }
119 return ERR_VAL;
120 }
121
122 #endif /* LWIP_IPV4 && LWIP_IPV6 */
123
124 #endif /* LWIP_IPV4 || LWIP_IPV6 */
opt.h
ip_data
struct ip_globals ip_data
ip_addr_t
ip6_addr_t ip_addr_t
Definition: ip_addr.h:290
ipaddr_aton
#define ipaddr_aton(cp, addr)
Definition: ip_addr.h:327
netif
Definition: netif.h:233
ip_2_ip6
#define ip_2_ip6(ipaddr)
Definition: ip_addr.h:301
err_t
s8_t err_t
Definition: err.h:57
ip.h
IPADDR_TYPE_V6
Definition: ip_addr.h:58
IP_SET_TYPE_VAL
#define IP_SET_TYPE_VAL(ipaddr, iptype)
Definition: ip_addr.h:298
ERR_VAL
Definition: err.h:75
pbuf
Definition: pbuf.h:142
ip_addr.h
IP_HDR_GET_VERSION
#define IP_HDR_GET_VERSION(ptr)
Definition: ip.h:49
ip_globals
Definition: ip.h:105
IPADDR_TYPE_V4
Definition: ip_addr.h:56
pbuf::payload
void * payload
Definition: pbuf.h:147
NULL
#define NULL
Definition: fat_string.h:17