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Examples
ip4_addr.h
Go to the documentation of this file.
1
6
/*
7
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
8
* All rights reserved.
9
*
10
* Redistribution and use in source and binary forms, with or without modification,
11
* are permitted provided that the following conditions are met:
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*
13
* 1. Redistributions of source code must retain the above copyright notice,
14
* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
16
* this list of conditions and the following disclaimer in the documentation
17
* and/or other materials provided with the distribution.
18
* 3. The name of the author may not be used to endorse or promote products
19
* derived from this software without specific prior written permission.
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*
21
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
24
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
36
*/
37
#ifndef LWIP_HDR_IP4_ADDR_H
38
#define LWIP_HDR_IP4_ADDR_H
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40
#include "
lwip/opt.h
"
41
#include "
lwip/def.h
"
42
43
#if LWIP_IPV4
44
45
#ifdef __cplusplus
46
extern
"C"
{
47
#endif
48
51
struct
ip4_addr {
52
u32_t
addr
;
53
};
54
57
typedef
struct
ip4_addr ip4_addr_t;
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59
/* Forward declaration to not include netif.h */
60
struct
netif
;
61
63
#define IPADDR_NONE ((u32_t)0xffffffffUL)
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#define IPADDR_LOOPBACK ((u32_t)0x7f000001UL)
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#define IPADDR_ANY ((u32_t)0x00000000UL)
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#define IPADDR_BROADCAST ((u32_t)0xffffffffUL)
70
71
/* Definitions of the bits in an Internet address integer.
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73
On subnets, host and network parts are found according to
74
the subnet mask, not these masks. */
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#define IP_CLASSA(a) ((((u32_t)(a)) & 0x80000000UL) == 0)
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#define IP_CLASSA_NET 0xff000000
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#define IP_CLASSA_NSHIFT 24
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#define IP_CLASSA_HOST (0xffffffff & ~IP_CLASSA_NET)
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#define IP_CLASSA_MAX 128
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#define IP_CLASSB(a) ((((u32_t)(a)) & 0xc0000000UL) == 0x80000000UL)
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#define IP_CLASSB_NET 0xffff0000
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#define IP_CLASSB_NSHIFT 16
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#define IP_CLASSB_HOST (0xffffffff & ~IP_CLASSB_NET)
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#define IP_CLASSB_MAX 65536
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87
#define IP_CLASSC(a) ((((u32_t)(a)) & 0xe0000000UL) == 0xc0000000UL)
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#define IP_CLASSC_NET 0xffffff00
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#define IP_CLASSC_NSHIFT 8
90
#define IP_CLASSC_HOST (0xffffffff & ~IP_CLASSC_NET)
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92
#define IP_CLASSD(a) (((u32_t)(a) & 0xf0000000UL) == 0xe0000000UL)
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#define IP_CLASSD_NET 0xf0000000
/* These ones aren't really */
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#define IP_CLASSD_NSHIFT 28
/* net and host fields, but */
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#define IP_CLASSD_HOST 0x0fffffff
/* routing needn't know. */
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#define IP_MULTICAST(a) IP_CLASSD(a)
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#define IP_EXPERIMENTAL(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
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#define IP_BADCLASS(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
100
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#define IP_LOOPBACKNET 127
/* official! */
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#define IP4_ADDR(ipaddr, a,b,c,d) (ipaddr)->addr = PP_HTONL(LWIP_MAKEU32(a,b,c,d))
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#define ip4_addr_copy(dest, src) ((dest).addr = (src).addr)
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#define ip4_addr_set(dest, src) ((dest)->addr = \
110
((src) == NULL ? 0 : \
111
(src)->addr))
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#define ip4_addr_set_zero(ipaddr) ((ipaddr)->addr = 0)
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#define ip4_addr_set_any(ipaddr) ((ipaddr)->addr = IPADDR_ANY)
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#define ip4_addr_set_loopback(ipaddr) ((ipaddr)->addr = PP_HTONL(IPADDR_LOOPBACK))
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#define ip4_addr_isloopback(ipaddr) (((ipaddr)->addr & PP_HTONL(IP_CLASSA_NET)) == PP_HTONL(((u32_t)IP_LOOPBACKNET) << 24))
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#define ip4_addr_set_hton(dest, src) ((dest)->addr = \
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((src) == NULL ? 0:\
124
lwip_htonl((src)->addr)))
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#define ip4_addr_set_u32(dest_ipaddr, src_u32) ((dest_ipaddr)->addr = (src_u32))
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#define ip4_addr_get_u32(src_ipaddr) ((src_ipaddr)->addr)
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131
#define ip4_addr_get_network(target, host, netmask) do { ((target)->addr = ((host)->addr) & ((netmask)->addr)); } while(0)
132
137
#define ip4_addr_netcmp(addr1, addr2, mask) ip4_addr_net_eq(addr1, addr2, mask)
146
#define ip4_addr_net_eq(addr1, addr2, mask) (((addr1)->addr & \
147
(mask)->addr) == \
148
((addr2)->addr & \
149
(mask)->addr))
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#define ip4_addr_cmp(addr1, addr2) ip4_addr_eq(addr1, addr2)
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#define ip4_addr_eq(addr1, addr2) ((addr1)->addr == (addr2)->addr)
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#define ip4_addr_isany_val(addr1) ((addr1).addr == IPADDR_ANY)
157
#define ip4_addr_isany(addr1) ((addr1) == NULL || ip4_addr_isany_val(*(addr1)))
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#define ip4_addr_isbroadcast(addr1, netif) ip4_addr_isbroadcast_u32((addr1)->addr, netif)
160
u8_t
ip4_addr_isbroadcast_u32(
u32_t
addr
,
const
struct
netif
*
netif
);
161
162
#define ip_addr_netmask_valid(netmask) ip4_addr_netmask_valid((netmask)->addr)
163
u8_t
ip4_addr_netmask_valid(
u32_t
netmask);
164
165
#define ip4_addr_ismulticast(addr1) (((addr1)->addr & PP_HTONL(0xf0000000UL)) == PP_HTONL(0xe0000000UL))
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#define ip4_addr_islinklocal(addr1) (((addr1)->addr & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xa9fe0000UL))
168
169
#define ip4_addr_debug_print_parts(debug, a, b, c, d) \
170
LWIP_DEBUGF(debug, ("%"
U16_F ".%" U16_F ".%" U16_F ".%" U16_F, a, b, c, d))
171
#define ip4_addr_debug_print(debug, ipaddr) \
172
ip4_addr_debug_print_parts(debug, \
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(u16_t)((ipaddr) != NULL ? ip4_addr1_16(ipaddr) : 0), \
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(u16_t)((ipaddr) != NULL ? ip4_addr2_16(ipaddr) : 0), \
175
(u16_t)((ipaddr) != NULL ? ip4_addr3_16(ipaddr) : 0), \
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(u16_t)((ipaddr) != NULL ? ip4_addr4_16(ipaddr) : 0))
177
#define ip4_addr_debug_print_val(debug, ipaddr) \
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ip4_addr_debug_print_parts(debug, \
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ip4_addr1_16_val(ipaddr), \
180
ip4_addr2_16_val(ipaddr), \
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ip4_addr3_16_val(ipaddr), \
182
ip4_addr4_16_val(ipaddr))
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/* Get one byte from the 4-byte address */
185
#define ip4_addr_get_byte(ipaddr, idx) (((const u8_t*)(&(ipaddr)->addr))[idx])
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#define ip4_addr1(ipaddr) ip4_addr_get_byte(ipaddr, 0)
187
#define ip4_addr2(ipaddr) ip4_addr_get_byte(ipaddr, 1)
188
#define ip4_addr3(ipaddr) ip4_addr_get_byte(ipaddr, 2)
189
#define ip4_addr4(ipaddr) ip4_addr_get_byte(ipaddr, 3)
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/* Get one byte from the 4-byte address, but argument is 'ip4_addr_t',
191
* not a pointer */
192
#define ip4_addr_get_byte_val(ipaddr, idx) ((u8_t)(((ipaddr).addr >> (idx * 8)) & 0xff))
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#define ip4_addr1_val(ipaddr) ip4_addr_get_byte_val(ipaddr, 0)
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#define ip4_addr2_val(ipaddr) ip4_addr_get_byte_val(ipaddr, 1)
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#define ip4_addr3_val(ipaddr) ip4_addr_get_byte_val(ipaddr, 2)
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#define ip4_addr4_val(ipaddr) ip4_addr_get_byte_val(ipaddr, 3)
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/* These are cast to u16_t, with the intent that they are often arguments
198
* to printf using the U16_F format from cc.h. */
199
#define ip4_addr1_16(ipaddr) ((u16_t)ip4_addr1(ipaddr))
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#define ip4_addr2_16(ipaddr) ((u16_t)ip4_addr2(ipaddr))
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#define ip4_addr3_16(ipaddr) ((u16_t)ip4_addr3(ipaddr))
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#define ip4_addr4_16(ipaddr) ((u16_t)ip4_addr4(ipaddr))
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#define ip4_addr1_16_val(ipaddr) ((u16_t)ip4_addr1_val(ipaddr))
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#define ip4_addr2_16_val(ipaddr) ((u16_t)ip4_addr2_val(ipaddr))
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#define ip4_addr3_16_val(ipaddr) ((u16_t)ip4_addr3_val(ipaddr))
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#define ip4_addr4_16_val(ipaddr) ((u16_t)ip4_addr4_val(ipaddr))
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208
#define IP4ADDR_STRLEN_MAX 16
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211
#define ip_ntoa(ipaddr) ipaddr_ntoa(ipaddr)
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213
u32_t
ipaddr_addr(
const
char
*
cp
);
214
int
ip4addr_aton(
const
char
*
cp
, ip4_addr_t *
addr
);
216
char
*ip4addr_ntoa(
const
ip4_addr_t *
addr
);
217
char
*ip4addr_ntoa_r(
const
ip4_addr_t *
addr
,
char
*
buf
,
int
buflen);
218
219
#ifdef __cplusplus
220
}
221
#endif
222
223
#endif
/* LWIP_IPV4 */
224
225
#endif
/* LWIP_HDR_IP_ADDR_H */
def.h
buf
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition:
glext.h:7751
addr
GLenum const GLvoid * addr
Definition:
glext.h:9621
u32_t
uint32_t u32_t
Definition:
arch.h:129
u8_t
uint8_t u8_t
Definition:
arch.h:125
cp
POINT cp
Definition:
magnifier.c:59
opt.h
netif
Definition:
netif.h:269
drivers
network
tcpip
lwip
src
include
lwip
ip4_addr.h
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