projects / apple / xnu.git / blame
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1 | |
| 2 | #ifndef _NETINET_DHCP_H | |
| 3 | #define _NETINET_DHCP_H | |
| 4 | #include <sys/appleapiopts.h> | |
| 5 | ||
| 6 | /* | |
| 7 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. | |
| 8 | * | |
| 9 | * @APPLE_LICENSE_HEADER_START@ | |
| 10 | * | |
| e5568f75 A |
11 | * The contents of this file constitute Original Code as defined in and |
| 12 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 13 | * "License"). You may not use this file except in compliance with the | |
| 14 | * License. Please obtain a copy of the License at | |
| 15 | * http://www.apple.com/publicsource and read it before using this file. | |
| 9bccf70c | 16 | * |
| e5568f75 A |
17 | * This Original Code and all software distributed under the License are |
| 18 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 9bccf70c A |
19 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 20 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
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21 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
| 22 | * License for the specific language governing rights and limitations | |
| 23 | * under the License. | |
| 9bccf70c A |
24 | * |
| 25 | * @APPLE_LICENSE_HEADER_END@ | |
| 26 | */ | |
| 27 | /* | |
| 28 | * dhcp.h | |
| 29 | * - definitions for DHCP (as specified in RFC2132) | |
| 30 | */ | |
| 31 | #include <sys/types.h> | |
| 32 | #include <netinet/in.h> | |
| 33 | #include <netinet/in_systm.h> | |
| 34 | #include <netinet/ip.h> | |
| 35 | #include <netinet/udp.h> | |
| 36 | ||
| 37 | struct dhcp { | |
| 38 | u_char dp_op; /* packet opcode type */ | |
| 39 | u_char dp_htype; /* hardware addr type */ | |
| 40 | u_char dp_hlen; /* hardware addr length */ | |
| 41 | u_char dp_hops; /* gateway hops */ | |
| 42 | u_int32_t dp_xid; /* transaction ID */ | |
| 43 | u_int16_t dp_secs; /* seconds since boot began */ | |
| 44 | u_int16_t dp_flags; /* flags */ | |
| 45 | struct in_addr dp_ciaddr; /* client IP address */ | |
| 46 | struct in_addr dp_yiaddr; /* 'your' IP address */ | |
| 47 | struct in_addr dp_siaddr; /* server IP address */ | |
| 48 | struct in_addr dp_giaddr; /* gateway IP address */ | |
| 49 | u_char dp_chaddr[16]; /* client hardware address */ | |
| 50 | u_char dp_sname[64]; /* server host name */ | |
| 51 | u_char dp_file[128]; /* boot file name */ | |
| 52 | u_char dp_options[0]; /* variable-length options field */ | |
| 53 | }; | |
| 54 | ||
| 55 | struct dhcp_packet { | |
| 56 | struct ip ip; | |
| 57 | struct udphdr udp; | |
| 58 | struct dhcp dhcp; | |
| 59 | }; | |
| 60 | ||
| 61 | #define DHCP_PACKET_OPTIONS_MIN 312 | |
| 62 | #define DHCP_PACKET_MIN (sizeof(struct dhcp) + DHCP_PACKET_OPTIONS_MIN) | |
| 63 | ||
| 64 | /* dhcp message types */ | |
| 65 | #define DHCPDISCOVER 1 | |
| 66 | #define DHCPOFFER 2 | |
| 67 | #define DHCPREQUEST 3 | |
| 68 | #define DHCPDECLINE 4 | |
| 69 | #define DHCPACK 5 | |
| 70 | #define DHCPNAK 6 | |
| 71 | #define DHCPRELEASE 7 | |
| 72 | #define DHCPINFORM 8 | |
| 73 | ||
| 74 | typedef int32_t dhcp_time_secs_t; /* absolute time */ | |
| 75 | typedef int32_t dhcp_lease_t; /* relative time */ | |
| 76 | #define dhcp_time_hton htonl | |
| 77 | #define dhcp_time_ntoh ntohl | |
| 78 | #define dhcp_lease_hton htonl | |
| 79 | #define dhcp_lease_ntoh ntohl | |
| 80 | ||
| 81 | #define DHCP_INFINITE_LEASE ((dhcp_lease_t)-1) | |
| 82 | #define DHCP_INFINITE_TIME ((dhcp_time_secs_t)-1) | |
| 83 | ||
| 84 | #define DHCP_FLAGS_BROADCAST ((u_short)0x0001) | |
| 85 | ||
| d7e50217 | 86 | #endif /* _NETINET_DHCP_H */ |