File size: 2,984 Bytes
a9536d3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | // DHCP Library v0.3 - April 25, 2009
// Author: Jordan Terrell - blog.jordanterrell.com
#ifndef Dhcp_h
#define Dhcp_h
/* DHCP state machine. */
#define STATE_DHCP_START 0
#define STATE_DHCP_DISCOVER 1
#define STATE_DHCP_REQUEST 2
#define STATE_DHCP_LEASED 3
#define STATE_DHCP_REREQUEST 4
#define STATE_DHCP_RELEASE 5
#define DHCP_FLAGSBROADCAST 0x8000
/* UDP port numbers for DHCP */
#define DHCP_SERVER_PORT 67 /* from server to client */
#define DHCP_CLIENT_PORT 68 /* from client to server */
/* DHCP message OP code */
#define DHCP_BOOTREQUEST 1
#define DHCP_BOOTREPLY 2
/* DHCP message type */
#define DHCP_DISCOVER 1
#define DHCP_OFFER 2
#define DHCP_REQUEST 3
#define DHCP_DECLINE 4
#define DHCP_ACK 5
#define DHCP_NAK 6
#define DHCP_RELEASE 7
#define DHCP_INFORM 8
#define DHCP_HTYPE10MB 1
#define DHCP_HTYPE100MB 2
#define DHCP_HLENETHERNET 6
#define DHCP_HOPS 0
#define DHCP_SECS 0
#define MAGIC_COOKIE 0x63825363
#define MAX_DHCP_OPT 16
#define HOST_NAME "WIZnet"
#define DEFAULT_LEASE (900) //default lease time in seconds
#define DHCP_CHECK_NONE (0)
#define DHCP_CHECK_RENEW_FAIL (1)
#define DHCP_CHECK_RENEW_OK (2)
#define DHCP_CHECK_REBIND_FAIL (3)
#define DHCP_CHECK_REBIND_OK (4)
enum
{
padOption = 0,
subnetMask = 1,
timerOffset = 2,
routersOnSubnet = 3,
/* timeServer = 4,
nameServer = 5,*/
dns = 6,
/*logServer = 7,
cookieServer = 8,
lprServer = 9,
impressServer = 10,
resourceLocationServer = 11,*/
hostName = 12,
/*bootFileSize = 13,
meritDumpFile = 14,*/
domainName = 15,
/*swapServer = 16,
rootPath = 17,
extentionsPath = 18,
IPforwarding = 19,
nonLocalSourceRouting = 20,
policyFilter = 21,
maxDgramReasmSize = 22,
defaultIPTTL = 23,
pathMTUagingTimeout = 24,
pathMTUplateauTable = 25,
ifMTU = 26,
allSubnetsLocal = 27,
broadcastAddr = 28,
performMaskDiscovery = 29,
maskSupplier = 30,
performRouterDiscovery = 31,
routerSolicitationAddr = 32,
staticRoute = 33,
trailerEncapsulation = 34,
arpCacheTimeout = 35,
ethernetEncapsulation = 36,
tcpDefaultTTL = 37,
tcpKeepaliveInterval = 38,
tcpKeepaliveGarbage = 39,
nisDomainName = 40,
nisServers = 41,
ntpServers = 42,
vendorSpecificInfo = 43,
netBIOSnameServer = 44,
netBIOSdgramDistServer = 45,
netBIOSnodeType = 46,
netBIOSscope = 47,
xFontServer = 48,
xDisplayManager = 49,*/
dhcpRequestedIPaddr = 50,
dhcpIPaddrLeaseTime = 51,
/*dhcpOptionOverload = 52,*/
dhcpMessageType = 53,
dhcpServerIdentifier = 54,
dhcpParamRequest = 55,
/*dhcpMsg = 56,
dhcpMaxMsgSize = 57,*/
dhcpT1value = 58,
dhcpT2value = 59,
/*dhcpClassIdentifier = 60,*/
dhcpClientIdentifier = 61,
endOption = 255
};
typedef struct _RIP_MSG_FIXED
{
uint8_t op;
uint8_t htype;
uint8_t hlen;
uint8_t hops;
uint32_t xid;
uint16_t secs;
uint16_t flags;
uint8_t ciaddr[4];
uint8_t yiaddr[4];
uint8_t siaddr[4];
uint8_t giaddr[4];
uint8_t chaddr[6];
} RIP_MSG_FIXED;
#endif
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