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