Daiki Kato / mbed-os-lychee

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Dependents:   mbed-os-example-blinky-gr-lychee GR-Boads_Camera_sample GR-Boards_Audio_Recoder GR-Boads_Camera_DisplayApp ... more

features/FEATURE_LWIP/lwip-interface/lwip/src/core/lwip_ip.c@0:f782d9c66c49, 2018-02-02 (annotated)

Committer:
dkato
Date:
Fri Feb 02 05:42:23 2018 +0000
Revision:
0:f782d9c66c49
mbed-os for GR-LYCHEE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dkato 0:f782d9c66c49 1 /**
dkato 0:f782d9c66c49 2 * @file
dkato 0:f782d9c66c49 3 * Common IPv4 and IPv6 code
dkato 0:f782d9c66c49 4 *
dkato 0:f782d9c66c49 5 * @defgroup ip IP
dkato 0:f782d9c66c49 6 * @ingroup callbackstyle_api
dkato 0:f782d9c66c49 7 *
dkato 0:f782d9c66c49 8 * @defgroup ip4 IPv4
dkato 0:f782d9c66c49 9 * @ingroup ip
dkato 0:f782d9c66c49 10 *
dkato 0:f782d9c66c49 11 * @defgroup ip6 IPv6
dkato 0:f782d9c66c49 12 * @ingroup ip
dkato 0:f782d9c66c49 13 *
dkato 0:f782d9c66c49 14 * @defgroup ipaddr IP address handling
dkato 0:f782d9c66c49 15 * @ingroup infrastructure
dkato 0:f782d9c66c49 16 *
dkato 0:f782d9c66c49 17 * @defgroup ip4addr IPv4 only
dkato 0:f782d9c66c49 18 * @ingroup ipaddr
dkato 0:f782d9c66c49 19 *
dkato 0:f782d9c66c49 20 * @defgroup ip6addr IPv6 only
dkato 0:f782d9c66c49 21 * @ingroup ipaddr
dkato 0:f782d9c66c49 22 */
dkato 0:f782d9c66c49 23
dkato 0:f782d9c66c49 24 /*
dkato 0:f782d9c66c49 25 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
dkato 0:f782d9c66c49 26 * All rights reserved.
dkato 0:f782d9c66c49 27 *
dkato 0:f782d9c66c49 28 * Redistribution and use in source and binary forms, with or without modification,
dkato 0:f782d9c66c49 29 * are permitted provided that the following conditions are met:
dkato 0:f782d9c66c49 30 *
dkato 0:f782d9c66c49 31 * 1. Redistributions of source code must retain the above copyright notice,
dkato 0:f782d9c66c49 32 * this list of conditions and the following disclaimer.
dkato 0:f782d9c66c49 33 * 2. Redistributions in binary form must reproduce the above copyright notice,
dkato 0:f782d9c66c49 34 * this list of conditions and the following disclaimer in the documentation
dkato 0:f782d9c66c49 35 * and/or other materials provided with the distribution.
dkato 0:f782d9c66c49 36 * 3. The name of the author may not be used to endorse or promote products
dkato 0:f782d9c66c49 37 * derived from this software without specific prior written permission.
dkato 0:f782d9c66c49 38 *
dkato 0:f782d9c66c49 39 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
dkato 0:f782d9c66c49 40 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
dkato 0:f782d9c66c49 41 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
dkato 0:f782d9c66c49 42 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
dkato 0:f782d9c66c49 43 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
dkato 0:f782d9c66c49 44 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
dkato 0:f782d9c66c49 45 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
dkato 0:f782d9c66c49 46 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
dkato 0:f782d9c66c49 47 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
dkato 0:f782d9c66c49 48 * OF SUCH DAMAGE.
dkato 0:f782d9c66c49 49 *
dkato 0:f782d9c66c49 50 * This file is part of the lwIP TCP/IP stack.
dkato 0:f782d9c66c49 51 *
dkato 0:f782d9c66c49 52 * Author: Adam Dunkels <adam@sics.se>
dkato 0:f782d9c66c49 53 *
dkato 0:f782d9c66c49 54 */
dkato 0:f782d9c66c49 55
dkato 0:f782d9c66c49 56 #include "lwip/opt.h"
dkato 0:f782d9c66c49 57
dkato 0:f782d9c66c49 58 #if LWIP_IPV4 || LWIP_IPV6
dkato 0:f782d9c66c49 59
dkato 0:f782d9c66c49 60 #include "lwip/ip_addr.h"
dkato 0:f782d9c66c49 61 #include "lwip/ip.h"
dkato 0:f782d9c66c49 62
dkato 0:f782d9c66c49 63 /** Global data for both IPv4 and IPv6 */
dkato 0:f782d9c66c49 64 struct ip_globals ip_data;
dkato 0:f782d9c66c49 65
dkato 0:f782d9c66c49 66 #if LWIP_IPV4 && LWIP_IPV6
dkato 0:f782d9c66c49 67
dkato 0:f782d9c66c49 68 const ip_addr_t ip_addr_any_type = IPADDR_ANY_TYPE_INIT;
dkato 0:f782d9c66c49 69
dkato 0:f782d9c66c49 70 /**
dkato 0:f782d9c66c49 71 * @ingroup ipaddr
dkato 0:f782d9c66c49 72 * Convert IP address string (both versions) to numeric.
dkato 0:f782d9c66c49 73 * The version is auto-detected from the string.
dkato 0:f782d9c66c49 74 *
dkato 0:f782d9c66c49 75 * @param cp IP address string to convert
dkato 0:f782d9c66c49 76 * @param addr conversion result is stored here
dkato 0:f782d9c66c49 77 * @return 1 on success, 0 on error
dkato 0:f782d9c66c49 78 */
dkato 0:f782d9c66c49 79 int
dkato 0:f782d9c66c49 80 ipaddr_aton(const char *cp, ip_addr_t *addr)
dkato 0:f782d9c66c49 81 {
dkato 0:f782d9c66c49 82 if (cp != NULL) {
dkato 0:f782d9c66c49 83 const char* c;
dkato 0:f782d9c66c49 84 for (c = cp; *c != 0; c++) {
dkato 0:f782d9c66c49 85 if (*c == ':') {
dkato 0:f782d9c66c49 86 /* contains a colon: IPv6 address */
dkato 0:f782d9c66c49 87 if (addr) {
dkato 0:f782d9c66c49 88 IP_SET_TYPE_VAL(*addr, IPADDR_TYPE_V6);
dkato 0:f782d9c66c49 89 }
dkato 0:f782d9c66c49 90 return ip6addr_aton(cp, ip_2_ip6(addr));
dkato 0:f782d9c66c49 91 } else if (*c == '.') {
dkato 0:f782d9c66c49 92 /* contains a dot: IPv4 address */
dkato 0:f782d9c66c49 93 break;
dkato 0:f782d9c66c49 94 }
dkato 0:f782d9c66c49 95 }
dkato 0:f782d9c66c49 96 /* call ip4addr_aton as fallback or if IPv4 was found */
dkato 0:f782d9c66c49 97 if (addr) {
dkato 0:f782d9c66c49 98 IP_SET_TYPE_VAL(*addr, IPADDR_TYPE_V4);
dkato 0:f782d9c66c49 99 }
dkato 0:f782d9c66c49 100 return ip4addr_aton(cp, ip_2_ip4(addr));
dkato 0:f782d9c66c49 101 }
dkato 0:f782d9c66c49 102 return 0;
dkato 0:f782d9c66c49 103 }
dkato 0:f782d9c66c49 104
dkato 0:f782d9c66c49 105 /**
dkato 0:f782d9c66c49 106 * @ingroup lwip_nosys
dkato 0:f782d9c66c49 107 * If both IP versions are enabled, this function can dispatch packets to the correct one.
dkato 0:f782d9c66c49 108 * Don't call directly, pass to netif_add() and call netif->input().
dkato 0:f782d9c66c49 109 */
dkato 0:f782d9c66c49 110 err_t
dkato 0:f782d9c66c49 111 ip_input(struct pbuf *p, struct netif *inp)
dkato 0:f782d9c66c49 112 {
dkato 0:f782d9c66c49 113 if (p != NULL) {
dkato 0:f782d9c66c49 114 if (IP_HDR_GET_VERSION(p->payload) == 6) {
dkato 0:f782d9c66c49 115 return ip6_input(p, inp);
dkato 0:f782d9c66c49 116 }
dkato 0:f782d9c66c49 117 return ip4_input(p, inp);
dkato 0:f782d9c66c49 118 }
dkato 0:f782d9c66c49 119 return ERR_VAL;
dkato 0:f782d9c66c49 120 }
dkato 0:f782d9c66c49 121
dkato 0:f782d9c66c49 122 #endif /* LWIP_IPV4 && LWIP_IPV6 */
dkato 0:f782d9c66c49 123
dkato 0:f782d9c66c49 124 #endif /* LWIP_IPV4 || LWIP_IPV6 */