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| 1 | /* |
1 | /* |
| 2 | * Copyright (c) 2009 Lukas Mejdrech |
2 | * Copyright (c) 2009 Lukas Mejdrech |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
| 14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | /** @addtogroup arp |
29 | /** @addtogroup arp |
| 30 | * @{ |
30 | * @{ |
| 31 | */ |
31 | */ |
| 32 | 32 | ||
| 33 | /** @file |
33 | /** @file |
| 34 | * ARP protocol header. |
34 | * ARP protocol header. |
| - | 35 | * Based on the RFC~826. |
|
| 35 | */ |
36 | */ |
| 36 | 37 | ||
| 37 | #ifndef __NET_ARP_HEADER_H__ |
38 | #ifndef __NET_ARP_HEADER_H__ |
| 38 | #define __NET_ARP_HEADER_H__ |
39 | #define __NET_ARP_HEADER_H__ |
| 39 | 40 | ||
| 40 | #include <sys/types.h> |
41 | #include <sys/types.h> |
| 41 | 42 | ||
| 42 | /** Type definition of an ARP protocol header. |
43 | /** Type definition of an ARP protocol header. |
| 43 | * @see arp_header |
44 | * @see arp_header |
| 44 | */ |
45 | */ |
| 45 | typedef struct arp_header arp_header_t; |
46 | typedef struct arp_header arp_header_t; |
| 46 | 47 | ||
| 47 | /** Type definition of an ARP protocol header pointer. |
48 | /** Type definition of an ARP protocol header pointer. |
| 48 | * @see arp_header |
49 | * @see arp_header |
| 49 | */ |
50 | */ |
| 50 | typedef arp_header_t * arp_header_ref; |
51 | typedef arp_header_t * arp_header_ref; |
| 51 | 52 | ||
| 52 | /** ARP protocol header. |
53 | /** ARP protocol header. |
| 53 | */ |
54 | */ |
| 54 | struct arp_header{ |
55 | struct arp_header{ |
| 55 | /** Hardware type identifier. |
56 | /** Hardware type identifier. |
| 56 | * @see hardware.h |
57 | * @see hardware.h |
| 57 | */ |
58 | */ |
| 58 | uint16_t hardware; |
59 | uint16_t hardware; |
| 59 | /** Protocol identifier. |
60 | /** Protocol identifier. |
| 60 | */ |
61 | */ |
| 61 | uint16_t protocol; |
62 | uint16_t protocol; |
| 62 | /** Hardware address length in bytes. |
63 | /** Hardware address length in bytes. |
| 63 | */ |
64 | */ |
| 64 | uint8_t hardware_length; |
65 | uint8_t hardware_length; |
| 65 | /** Protocol address length in bytes. |
66 | /** Protocol address length in bytes. |
| 66 | */ |
67 | */ |
| 67 | uint8_t protocol_length; |
68 | uint8_t protocol_length; |
| 68 | /** ARP packet type. |
69 | /** ARP packet type. |
| 69 | * @see arp_oc.h |
70 | * @see arp_oc.h |
| 70 | */ |
71 | */ |
| 71 | uint16_t operation; |
72 | uint16_t operation; |
| 72 | } __attribute__ ((packed)); |
73 | } __attribute__ ((packed)); |
| 73 | 74 | ||
| 74 | #endif |
75 | #endif |
| 75 | 76 | ||
| 76 | /** @} |
77 | /** @} |
| 77 | */ |
78 | */ |
| 78 | 79 | ||