Yasushi TAUCHI / Mbed 2 deprecated giken9_HTMLServer_Sample

ソースの整理中ですが、利用はできます。

Dependencies:   EthernetInterface HttpServer TextLCD mbed-rpc mbed-rtos mbed Socket lwip-eth lwip-sys lwip

EthernetInterface/lwip/include/ipv4/lwip/ip_addr.h@0:7766f6712673, 2014-03-12 (annotated)

Committer:
yueee_yt
Date:
Wed Mar 12 04:19:54 2014 +0000
Revision:
0:7766f6712673
???????????????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yueee_yt 0:7766f6712673 1 /*
yueee_yt 0:7766f6712673 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
yueee_yt 0:7766f6712673 3 * All rights reserved.
yueee_yt 0:7766f6712673 4 *
yueee_yt 0:7766f6712673 5 * Redistribution and use in source and binary forms, with or without modification,
yueee_yt 0:7766f6712673 6 * are permitted provided that the following conditions are met:
yueee_yt 0:7766f6712673 7 *
yueee_yt 0:7766f6712673 8 * 1. Redistributions of source code must retain the above copyright notice,
yueee_yt 0:7766f6712673 9 * this list of conditions and the following disclaimer.
yueee_yt 0:7766f6712673 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
yueee_yt 0:7766f6712673 11 * this list of conditions and the following disclaimer in the documentation
yueee_yt 0:7766f6712673 12 * and/or other materials provided with the distribution.
yueee_yt 0:7766f6712673 13 * 3. The name of the author may not be used to endorse or promote products
yueee_yt 0:7766f6712673 14 * derived from this software without specific prior written permission.
yueee_yt 0:7766f6712673 15 *
yueee_yt 0:7766f6712673 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
yueee_yt 0:7766f6712673 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
yueee_yt 0:7766f6712673 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
yueee_yt 0:7766f6712673 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
yueee_yt 0:7766f6712673 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
yueee_yt 0:7766f6712673 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
yueee_yt 0:7766f6712673 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
yueee_yt 0:7766f6712673 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
yueee_yt 0:7766f6712673 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
yueee_yt 0:7766f6712673 25 * OF SUCH DAMAGE.
yueee_yt 0:7766f6712673 26 *
yueee_yt 0:7766f6712673 27 * This file is part of the lwIP TCP/IP stack.
yueee_yt 0:7766f6712673 28 *
yueee_yt 0:7766f6712673 29 * Author: Adam Dunkels <adam@sics.se>
yueee_yt 0:7766f6712673 30 *
yueee_yt 0:7766f6712673 31 */
yueee_yt 0:7766f6712673 32 #ifndef __LWIP_IP_ADDR_H__
yueee_yt 0:7766f6712673 33 #define __LWIP_IP_ADDR_H__
yueee_yt 0:7766f6712673 34
yueee_yt 0:7766f6712673 35 #include "lwip/opt.h"
yueee_yt 0:7766f6712673 36 #include "lwip/def.h"
yueee_yt 0:7766f6712673 37
yueee_yt 0:7766f6712673 38 #ifdef __cplusplus
yueee_yt 0:7766f6712673 39 extern "C" {
yueee_yt 0:7766f6712673 40 #endif
yueee_yt 0:7766f6712673 41
yueee_yt 0:7766f6712673 42 /* This is the aligned version of ip_addr_t,
yueee_yt 0:7766f6712673 43 used as local variable, on the stack, etc. */
yueee_yt 0:7766f6712673 44 struct ip_addr {
yueee_yt 0:7766f6712673 45 u32_t addr;
yueee_yt 0:7766f6712673 46 };
yueee_yt 0:7766f6712673 47
yueee_yt 0:7766f6712673 48 /* This is the packed version of ip_addr_t,
yueee_yt 0:7766f6712673 49 used in network headers that are itself packed */
yueee_yt 0:7766f6712673 50 #ifdef PACK_STRUCT_USE_INCLUDES
yueee_yt 0:7766f6712673 51 # include "arch/bpstruct.h"
yueee_yt 0:7766f6712673 52 #endif
yueee_yt 0:7766f6712673 53 PACK_STRUCT_BEGIN
yueee_yt 0:7766f6712673 54 struct ip_addr_packed {
yueee_yt 0:7766f6712673 55 PACK_STRUCT_FIELD(u32_t addr);
yueee_yt 0:7766f6712673 56 } PACK_STRUCT_STRUCT;
yueee_yt 0:7766f6712673 57 PACK_STRUCT_END
yueee_yt 0:7766f6712673 58 #ifdef PACK_STRUCT_USE_INCLUDES
yueee_yt 0:7766f6712673 59 # include "arch/epstruct.h"
yueee_yt 0:7766f6712673 60 #endif
yueee_yt 0:7766f6712673 61
yueee_yt 0:7766f6712673 62 /** ip_addr_t uses a struct for convenience only, so that the same defines can
yueee_yt 0:7766f6712673 63 * operate both on ip_addr_t as well as on ip_addr_p_t. */
yueee_yt 0:7766f6712673 64 typedef struct ip_addr ip_addr_t;
yueee_yt 0:7766f6712673 65 typedef struct ip_addr_packed ip_addr_p_t;
yueee_yt 0:7766f6712673 66
yueee_yt 0:7766f6712673 67 /*
yueee_yt 0:7766f6712673 68 * struct ipaddr2 is used in the definition of the ARP packet format in
yueee_yt 0:7766f6712673 69 * order to support compilers that don't have structure packing.
yueee_yt 0:7766f6712673 70 */
yueee_yt 0:7766f6712673 71 #ifdef PACK_STRUCT_USE_INCLUDES
yueee_yt 0:7766f6712673 72 # include "arch/bpstruct.h"
yueee_yt 0:7766f6712673 73 #endif
yueee_yt 0:7766f6712673 74 PACK_STRUCT_BEGIN
yueee_yt 0:7766f6712673 75 struct ip_addr2 {
yueee_yt 0:7766f6712673 76 PACK_STRUCT_FIELD(u16_t addrw[2]);
yueee_yt 0:7766f6712673 77 } PACK_STRUCT_STRUCT;
yueee_yt 0:7766f6712673 78 PACK_STRUCT_END
yueee_yt 0:7766f6712673 79 #ifdef PACK_STRUCT_USE_INCLUDES
yueee_yt 0:7766f6712673 80 # include "arch/epstruct.h"
yueee_yt 0:7766f6712673 81 #endif
yueee_yt 0:7766f6712673 82
yueee_yt 0:7766f6712673 83 /* Forward declaration to not include netif.h */
yueee_yt 0:7766f6712673 84 struct netif;
yueee_yt 0:7766f6712673 85
yueee_yt 0:7766f6712673 86 extern const ip_addr_t ip_addr_any;
yueee_yt 0:7766f6712673 87 extern const ip_addr_t ip_addr_broadcast;
yueee_yt 0:7766f6712673 88
yueee_yt 0:7766f6712673 89 /** IP_ADDR_ can be used as a fixed IP address
yueee_yt 0:7766f6712673 90 * for the wildcard and the broadcast address
yueee_yt 0:7766f6712673 91 */
yueee_yt 0:7766f6712673 92 #define IP_ADDR_ANY ((ip_addr_t *)&ip_addr_any)
yueee_yt 0:7766f6712673 93 #define IP_ADDR_BROADCAST ((ip_addr_t *)&ip_addr_broadcast)
yueee_yt 0:7766f6712673 94
yueee_yt 0:7766f6712673 95 /** 255.255.255.255 */
yueee_yt 0:7766f6712673 96 #define IPADDR_NONE ((u32_t)0xffffffffUL)
yueee_yt 0:7766f6712673 97 /** 127.0.0.1 */
yueee_yt 0:7766f6712673 98 #define IPADDR_LOOPBACK ((u32_t)0x7f000001UL)
yueee_yt 0:7766f6712673 99 /** 0.0.0.0 */
yueee_yt 0:7766f6712673 100 #define IPADDR_ANY ((u32_t)0x00000000UL)
yueee_yt 0:7766f6712673 101 /** 255.255.255.255 */
yueee_yt 0:7766f6712673 102 #define IPADDR_BROADCAST ((u32_t)0xffffffffUL)
yueee_yt 0:7766f6712673 103
yueee_yt 0:7766f6712673 104 /* Definitions of the bits in an Internet address integer.
yueee_yt 0:7766f6712673 105
yueee_yt 0:7766f6712673 106 On subnets, host and network parts are found according to
yueee_yt 0:7766f6712673 107 the subnet mask, not these masks. */
yueee_yt 0:7766f6712673 108 #define IP_CLASSA(a) ((((u32_t)(a)) & 0x80000000UL) == 0)
yueee_yt 0:7766f6712673 109 #define IP_CLASSA_NET 0xff000000
yueee_yt 0:7766f6712673 110 #define IP_CLASSA_NSHIFT 24
yueee_yt 0:7766f6712673 111 #define IP_CLASSA_HOST (0xffffffff & ~IP_CLASSA_NET)
yueee_yt 0:7766f6712673 112 #define IP_CLASSA_MAX 128
yueee_yt 0:7766f6712673 113
yueee_yt 0:7766f6712673 114 #define IP_CLASSB(a) ((((u32_t)(a)) & 0xc0000000UL) == 0x80000000UL)
yueee_yt 0:7766f6712673 115 #define IP_CLASSB_NET 0xffff0000
yueee_yt 0:7766f6712673 116 #define IP_CLASSB_NSHIFT 16
yueee_yt 0:7766f6712673 117 #define IP_CLASSB_HOST (0xffffffff & ~IP_CLASSB_NET)
yueee_yt 0:7766f6712673 118 #define IP_CLASSB_MAX 65536
yueee_yt 0:7766f6712673 119
yueee_yt 0:7766f6712673 120 #define IP_CLASSC(a) ((((u32_t)(a)) & 0xe0000000UL) == 0xc0000000UL)
yueee_yt 0:7766f6712673 121 #define IP_CLASSC_NET 0xffffff00
yueee_yt 0:7766f6712673 122 #define IP_CLASSC_NSHIFT 8
yueee_yt 0:7766f6712673 123 #define IP_CLASSC_HOST (0xffffffff & ~IP_CLASSC_NET)
yueee_yt 0:7766f6712673 124
yueee_yt 0:7766f6712673 125 #define IP_CLASSD(a) (((u32_t)(a) & 0xf0000000UL) == 0xe0000000UL)
yueee_yt 0:7766f6712673 126 #define IP_CLASSD_NET 0xf0000000 /* These ones aren't really */
yueee_yt 0:7766f6712673 127 #define IP_CLASSD_NSHIFT 28 /* net and host fields, but */
yueee_yt 0:7766f6712673 128 #define IP_CLASSD_HOST 0x0fffffff /* routing needn't know. */
yueee_yt 0:7766f6712673 129 #define IP_MULTICAST(a) IP_CLASSD(a)
yueee_yt 0:7766f6712673 130
yueee_yt 0:7766f6712673 131 #define IP_EXPERIMENTAL(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
yueee_yt 0:7766f6712673 132 #define IP_BADCLASS(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
yueee_yt 0:7766f6712673 133
yueee_yt 0:7766f6712673 134 #define IP_LOOPBACKNET 127 /* official! */
yueee_yt 0:7766f6712673 135
yueee_yt 0:7766f6712673 136
yueee_yt 0:7766f6712673 137 #if BYTE_ORDER == BIG_ENDIAN
yueee_yt 0:7766f6712673 138 /** Set an IP address given by the four byte-parts */
yueee_yt 0:7766f6712673 139 #define IP4_ADDR(ipaddr, a,b,c,d) \
yueee_yt 0:7766f6712673 140 (ipaddr)->addr = ((u32_t)((a) & 0xff) << 24) | \
yueee_yt 0:7766f6712673 141 ((u32_t)((b) & 0xff) << 16) | \
yueee_yt 0:7766f6712673 142 ((u32_t)((c) & 0xff) << 8) | \
yueee_yt 0:7766f6712673 143 (u32_t)((d) & 0xff)
yueee_yt 0:7766f6712673 144 #else
yueee_yt 0:7766f6712673 145 /** Set an IP address given by the four byte-parts.
yueee_yt 0:7766f6712673 146 Little-endian version that prevents the use of htonl. */
yueee_yt 0:7766f6712673 147 #define IP4_ADDR(ipaddr, a,b,c,d) \
yueee_yt 0:7766f6712673 148 (ipaddr)->addr = ((u32_t)((d) & 0xff) << 24) | \
yueee_yt 0:7766f6712673 149 ((u32_t)((c) & 0xff) << 16) | \
yueee_yt 0:7766f6712673 150 ((u32_t)((b) & 0xff) << 8) | \
yueee_yt 0:7766f6712673 151 (u32_t)((a) & 0xff)
yueee_yt 0:7766f6712673 152 #endif
yueee_yt 0:7766f6712673 153
yueee_yt 0:7766f6712673 154 /** MEMCPY-like copying of IP addresses where addresses are known to be
yueee_yt 0:7766f6712673 155 * 16-bit-aligned if the port is correctly configured (so a port could define
yueee_yt 0:7766f6712673 156 * this to copying 2 u16_t's) - no NULL-pointer-checking needed. */
yueee_yt 0:7766f6712673 157 #ifndef IPADDR2_COPY
yueee_yt 0:7766f6712673 158 #define IPADDR2_COPY(dest, src) SMEMCPY(dest, src, sizeof(ip_addr_t))
yueee_yt 0:7766f6712673 159 #endif
yueee_yt 0:7766f6712673 160
yueee_yt 0:7766f6712673 161 /** Copy IP address - faster than ip_addr_set: no NULL check */
yueee_yt 0:7766f6712673 162 #define ip_addr_copy(dest, src) ((dest).addr = (src).addr)
yueee_yt 0:7766f6712673 163 /** Safely copy one IP address to another (src may be NULL) */
yueee_yt 0:7766f6712673 164 #define ip_addr_set(dest, src) ((dest)->addr = \
yueee_yt 0:7766f6712673 165 ((src) == NULL ? 0 : \
yueee_yt 0:7766f6712673 166 (src)->addr))
yueee_yt 0:7766f6712673 167 /** Set complete address to zero */
yueee_yt 0:7766f6712673 168 #define ip_addr_set_zero(ipaddr) ((ipaddr)->addr = 0)
yueee_yt 0:7766f6712673 169 /** Set address to IPADDR_ANY (no need for htonl()) */
yueee_yt 0:7766f6712673 170 #define ip_addr_set_any(ipaddr) ((ipaddr)->addr = IPADDR_ANY)
yueee_yt 0:7766f6712673 171 /** Set address to loopback address */
yueee_yt 0:7766f6712673 172 #define ip_addr_set_loopback(ipaddr) ((ipaddr)->addr = PP_HTONL(IPADDR_LOOPBACK))
yueee_yt 0:7766f6712673 173 /** Safely copy one IP address to another and change byte order
yueee_yt 0:7766f6712673 174 * from host- to network-order. */
yueee_yt 0:7766f6712673 175 #define ip_addr_set_hton(dest, src) ((dest)->addr = \
yueee_yt 0:7766f6712673 176 ((src) == NULL ? 0:\
yueee_yt 0:7766f6712673 177 htonl((src)->addr)))
yueee_yt 0:7766f6712673 178 /** IPv4 only: set the IP address given as an u32_t */
yueee_yt 0:7766f6712673 179 #define ip4_addr_set_u32(dest_ipaddr, src_u32) ((dest_ipaddr)->addr = (src_u32))
yueee_yt 0:7766f6712673 180 /** IPv4 only: get the IP address as an u32_t */
yueee_yt 0:7766f6712673 181 #define ip4_addr_get_u32(src_ipaddr) ((src_ipaddr)->addr)
yueee_yt 0:7766f6712673 182
yueee_yt 0:7766f6712673 183 /** Get the network address by combining host address with netmask */
yueee_yt 0:7766f6712673 184 #define ip_addr_get_network(target, host, netmask) ((target)->addr = ((host)->addr) & ((netmask)->addr))
yueee_yt 0:7766f6712673 185
yueee_yt 0:7766f6712673 186 /**
yueee_yt 0:7766f6712673 187 * Determine if two address are on the same network.
yueee_yt 0:7766f6712673 188 *
yueee_yt 0:7766f6712673 189 * @arg addr1 IP address 1
yueee_yt 0:7766f6712673 190 * @arg addr2 IP address 2
yueee_yt 0:7766f6712673 191 * @arg mask network identifier mask
yueee_yt 0:7766f6712673 192 * @return !0 if the network identifiers of both address match
yueee_yt 0:7766f6712673 193 */
yueee_yt 0:7766f6712673 194 #define ip_addr_netcmp(addr1, addr2, mask) (((addr1)->addr & \
yueee_yt 0:7766f6712673 195 (mask)->addr) == \
yueee_yt 0:7766f6712673 196 ((addr2)->addr & \
yueee_yt 0:7766f6712673 197 (mask)->addr))
yueee_yt 0:7766f6712673 198 #define ip_addr_cmp(addr1, addr2) ((addr1)->addr == (addr2)->addr)
yueee_yt 0:7766f6712673 199
yueee_yt 0:7766f6712673 200 #define ip_addr_isany(addr1) ((addr1) == NULL || (addr1)->addr == IPADDR_ANY)
yueee_yt 0:7766f6712673 201
yueee_yt 0:7766f6712673 202 #define ip_addr_isbroadcast(ipaddr, netif) ip4_addr_isbroadcast((ipaddr)->addr, (netif))
yueee_yt 0:7766f6712673 203 u8_t ip4_addr_isbroadcast(u32_t addr, const struct netif *netif);
yueee_yt 0:7766f6712673 204
yueee_yt 0:7766f6712673 205 #define ip_addr_netmask_valid(netmask) ip4_addr_netmask_valid((netmask)->addr)
yueee_yt 0:7766f6712673 206 u8_t ip4_addr_netmask_valid(u32_t netmask);
yueee_yt 0:7766f6712673 207
yueee_yt 0:7766f6712673 208 #define ip_addr_ismulticast(addr1) (((addr1)->addr & PP_HTONL(0xf0000000UL)) == PP_HTONL(0xe0000000UL))
yueee_yt 0:7766f6712673 209
yueee_yt 0:7766f6712673 210 #define ip_addr_islinklocal(addr1) (((addr1)->addr & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xa9fe0000UL))
yueee_yt 0:7766f6712673 211
yueee_yt 0:7766f6712673 212 #define ip_addr_debug_print(debug, ipaddr) \
yueee_yt 0:7766f6712673 213 LWIP_DEBUGF(debug, ("%"U16_F".%"U16_F".%"U16_F".%"U16_F, \
yueee_yt 0:7766f6712673 214 ipaddr != NULL ? ip4_addr1_16(ipaddr) : 0, \
yueee_yt 0:7766f6712673 215 ipaddr != NULL ? ip4_addr2_16(ipaddr) : 0, \
yueee_yt 0:7766f6712673 216 ipaddr != NULL ? ip4_addr3_16(ipaddr) : 0, \
yueee_yt 0:7766f6712673 217 ipaddr != NULL ? ip4_addr4_16(ipaddr) : 0))
yueee_yt 0:7766f6712673 218
yueee_yt 0:7766f6712673 219 /* Get one byte from the 4-byte address */
yueee_yt 0:7766f6712673 220 #define ip4_addr1(ipaddr) (((u8_t*)(ipaddr))[0])
yueee_yt 0:7766f6712673 221 #define ip4_addr2(ipaddr) (((u8_t*)(ipaddr))[1])
yueee_yt 0:7766f6712673 222 #define ip4_addr3(ipaddr) (((u8_t*)(ipaddr))[2])
yueee_yt 0:7766f6712673 223 #define ip4_addr4(ipaddr) (((u8_t*)(ipaddr))[3])
yueee_yt 0:7766f6712673 224 /* These are cast to u16_t, with the intent that they are often arguments
yueee_yt 0:7766f6712673 225 * to printf using the U16_F format from cc.h. */
yueee_yt 0:7766f6712673 226 #define ip4_addr1_16(ipaddr) ((u16_t)ip4_addr1(ipaddr))
yueee_yt 0:7766f6712673 227 #define ip4_addr2_16(ipaddr) ((u16_t)ip4_addr2(ipaddr))
yueee_yt 0:7766f6712673 228 #define ip4_addr3_16(ipaddr) ((u16_t)ip4_addr3(ipaddr))
yueee_yt 0:7766f6712673 229 #define ip4_addr4_16(ipaddr) ((u16_t)ip4_addr4(ipaddr))
yueee_yt 0:7766f6712673 230
yueee_yt 0:7766f6712673 231 /** For backwards compatibility */
yueee_yt 0:7766f6712673 232 #define ip_ntoa(ipaddr) ipaddr_ntoa(ipaddr)
yueee_yt 0:7766f6712673 233
yueee_yt 0:7766f6712673 234 u32_t ipaddr_addr(const char *cp);
yueee_yt 0:7766f6712673 235 int ipaddr_aton(const char *cp, ip_addr_t *addr);
yueee_yt 0:7766f6712673 236 /** returns ptr to static buffer; not reentrant! */
yueee_yt 0:7766f6712673 237 char *ipaddr_ntoa(const ip_addr_t *addr);
yueee_yt 0:7766f6712673 238 char *ipaddr_ntoa_r(const ip_addr_t *addr, char *buf, int buflen);
yueee_yt 0:7766f6712673 239
yueee_yt 0:7766f6712673 240 #ifdef __cplusplus
yueee_yt 0:7766f6712673 241 }
yueee_yt 0:7766f6712673 242 #endif
yueee_yt 0:7766f6712673 243
yueee_yt 0:7766f6712673 244 #endif /* __LWIP_IP_ADDR_H__ */