1 | /*
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2 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without modification,
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6 | * are permitted provided that the following conditions are met:
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7 | *
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8 | * 1. Redistributions of source code must retain the above copyright notice,
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9 | * this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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11 | * this list of conditions and the following disclaimer in the documentation
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12 | * and/or other materials provided with the distribution.
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13 | * 3. The name of the author may not be used to endorse or promote products
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14 | * derived from this software without specific prior written permission.
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15 | *
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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19 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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21 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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24 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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25 | * OF SUCH DAMAGE.
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26 | *
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27 | * This file is part of the lwIP TCP/IP stack.
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28 | *
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29 | * Author: Adam Dunkels <adam@sics.se>
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30 | *
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31 | */
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32 | #ifndef __LWIP_IP_ADDR_H__
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33 | #define __LWIP_IP_ADDR_H__
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34 |
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35 | #include "lwip/opt.h"
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36 |
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37 | #ifdef __cplusplus
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38 | extern "C" {
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39 | #endif
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40 |
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41 | #define IP_ADDR_ANY 0
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42 |
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43 | #ifdef PACK_STRUCT_USE_INCLUDES
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44 | # include "arch/bpstruct.h"
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45 | #endif
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46 | PACK_STRUCT_BEGIN
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47 | struct ip_addr {
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48 | PACK_STRUCT_FIELD(u32_t addr[4]);
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49 | } PACK_STRUCT_STRUCT;
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50 | PACK_STRUCT_END
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51 | #ifdef PACK_STRUCT_USE_INCLUDES
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52 | # include "arch/epstruct.h"
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53 | #endif
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54 |
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55 | /*
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56 | * struct ipaddr2 is used in the definition of the ARP packet format in
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57 | * order to support compilers that don't have structure packing.
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58 | */
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59 | #ifdef PACK_STRUCT_USE_INCLUDES
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60 | # include "arch/bpstruct.h"
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61 | #endif
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62 | PACK_STRUCT_BEGIN
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63 | struct ip_addr2 {
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64 | PACK_STRUCT_FIELD(u16_t addrw[2]);
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65 | } PACK_STRUCT_STRUCT;
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66 | PACK_STRUCT_END
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67 | #ifdef PACK_STRUCT_USE_INCLUDES
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68 | # include "arch/epstruct.h"
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69 | #endif
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70 |
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71 | #define IP6_ADDR(ipaddr, a,b,c,d,e,f,g,h) do { (ipaddr)->addr[0] = htonl((u32_t)((a & 0xffff) << 16) | (b & 0xffff)); \
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72 | (ipaddr)->addr[1] = htonl(((c & 0xffff) << 16) | (d & 0xffff)); \
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73 | (ipaddr)->addr[2] = htonl(((e & 0xffff) << 16) | (f & 0xffff)); \
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74 | (ipaddr)->addr[3] = htonl(((g & 0xffff) << 16) | (h & 0xffff)); } while(0)
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75 |
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76 | u8_t ip_addr_netcmp(struct ip_addr *addr1, struct ip_addr *addr2,
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77 | struct ip_addr *mask);
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78 | u8_t ip_addr_cmp(struct ip_addr *addr1, struct ip_addr *addr2);
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79 | void ip_addr_set(struct ip_addr *dest, struct ip_addr *src);
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80 | u8_t ip_addr_isany(struct ip_addr *addr);
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81 |
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82 | #define ip_addr_debug_print(debug, ipaddr) \
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83 | LWIP_DEBUGF(debug, ("%"X32_F":%"X32_F":%"X32_F":%"X32_F":%"X32_F":%"X32_F":%"X32_F":%"X32_F"\n", \
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84 | (ntohl(ipaddr->addr[0]) >> 16) & 0xffff, \
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85 | ntohl(ipaddr->addr[0]) & 0xffff, \
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86 | (ntohl(ipaddr->addr[1]) >> 16) & 0xffff, \
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87 | ntohl(ipaddr->addr[1]) & 0xffff, \
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88 | (ntohl(ipaddr->addr[2]) >> 16) & 0xffff, \
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89 | ntohl(ipaddr->addr[2]) & 0xffff, \
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90 | (ntohl(ipaddr->addr[3]) >> 16) & 0xffff, \
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91 | ntohl(ipaddr->addr[3]) & 0xffff));
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92 |
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93 | #ifdef __cplusplus
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94 | }
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95 | #endif
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96 |
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97 | #endif /* __LWIP_IP_ADDR_H__ */
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