| 1 | /* ----------------------------------------------------------------------- * |
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| 2 | * |
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| 3 | * Copyright 2007 H. Peter Anvin - All Rights Reserved |
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| 4 | * Copyright 2011 Timothy J Gleason <timmgleason_at_gmail.com> - All Rights Reserved |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person |
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| 7 | * obtaining a copy of this software and associated documentation |
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| 8 | * files (the "Software"), to deal in the Software without |
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| 9 | * restriction, including without limitation the rights to use, |
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| 10 | * copy, modify, merge, publish, distribute, sublicense, and/or |
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| 11 | * sell copies of the Software, and to permit persons to whom |
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| 12 | * the Software is furnished to do so, subject to the following |
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| 13 | * conditions: |
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| 14 | * |
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| 15 | * The above copyright notice and this permission notice shall |
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| 16 | * be included in all copies or substantial portions of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
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| 20 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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| 21 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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| 22 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
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| 23 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 24 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 25 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 26 | * |
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| 27 | * ----------------------------------------------------------------------- */ |
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| 28 | |
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| 29 | #include <stdint.h> |
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| 30 | |
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| 31 | typedef struct dhcp { |
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| 32 | uint8_t op; /* message opcode */ |
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| 33 | uint8_t htype; /* Hardware address type */ |
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| 34 | uint8_t hlen; /* Hardware address length */ |
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| 35 | uint8_t hops; /* Used by relay agents */ |
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| 36 | uint32_t xid; /* transaction id */ |
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| 37 | uint16_t secs; /* Secs elapsed since client boot */ |
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| 38 | uint16_t flags; /* DHCP Flags field */ |
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| 39 | uint8_t ciaddr[4]; /* client IP addr */ |
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| 40 | uint8_t yiaddr[4]; /* 'Your' IP addr. (from server) */ |
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| 41 | uint8_t siaddr[4]; /* Boot server IP addr */ |
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| 42 | uint8_t giaddr[4]; /* Relay agent IP addr */ |
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| 43 | uint8_t chaddr[16]; /* Client hardware addr */ |
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| 44 | uint8_t sname[64]; /* Optl. boot server hostname */ |
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| 45 | uint8_t file[128]; /* boot file name (ascii path) */ |
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| 46 | uint8_t cookie[4]; /* Magic cookie */ |
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| 47 | uint8_t options[1020]; /* Options */ |
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| 48 | } dhcp_t; |
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| 49 | |
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