1*efee1709Swdenk /* 2*efee1709Swdenk * Copied from LiMon - BOOTP. 3*efee1709Swdenk * 4*efee1709Swdenk * Copyright 1994, 1995, 2000 Neil Russell. 5*efee1709Swdenk * (See License) 6*efee1709Swdenk * Copyright 2000 Paolo Scaffardi 7*efee1709Swdenk */ 8*efee1709Swdenk 9*efee1709Swdenk #ifndef __BOOTP_H__ 10*efee1709Swdenk #define __BOOTP_H__ 11*efee1709Swdenk 12*efee1709Swdenk #ifndef __NET_H__ 13*efee1709Swdenk #include <net.h> 14*efee1709Swdenk #endif /* __NET_H__ */ 15*efee1709Swdenk 16*efee1709Swdenk /**********************************************************************/ 17*efee1709Swdenk 18*efee1709Swdenk /* 19*efee1709Swdenk * BOOTP header. 20*efee1709Swdenk */ 21*efee1709Swdenk #if (CONFIG_COMMANDS & CFG_CMD_DHCP) 22*efee1709Swdenk #define OPT_SIZE 312 /* Minimum DHCP Options size per RFC2131 - results in 576 byte pkt */ 23*efee1709Swdenk #else 24*efee1709Swdenk #define OPT_SIZE 64 25*efee1709Swdenk #endif 26*efee1709Swdenk 27*efee1709Swdenk typedef struct 28*efee1709Swdenk { 29*efee1709Swdenk uchar bp_op; /* Operation */ 30*efee1709Swdenk # define OP_BOOTREQUEST 1 31*efee1709Swdenk # define OP_BOOTREPLY 2 32*efee1709Swdenk uchar bp_htype; /* Hardware type */ 33*efee1709Swdenk # define HWT_ETHER 1 34*efee1709Swdenk uchar bp_hlen; /* Hardware address length */ 35*efee1709Swdenk # define HWL_ETHER 6 36*efee1709Swdenk uchar bp_hops; /* Hop count (gateway thing) */ 37*efee1709Swdenk ulong bp_id; /* Transaction ID */ 38*efee1709Swdenk ushort bp_secs; /* Seconds since boot */ 39*efee1709Swdenk ushort bp_spare1; /* Alignment */ 40*efee1709Swdenk IPaddr_t bp_ciaddr; /* Client IP address */ 41*efee1709Swdenk IPaddr_t bp_yiaddr; /* Your (client) IP address */ 42*efee1709Swdenk IPaddr_t bp_siaddr; /* Server IP address */ 43*efee1709Swdenk IPaddr_t bp_giaddr; /* Gateway IP address */ 44*efee1709Swdenk uchar bp_chaddr[16]; /* Client hardware address */ 45*efee1709Swdenk char bp_sname[64]; /* Server host name */ 46*efee1709Swdenk char bp_file[128]; /* Boot file name */ 47*efee1709Swdenk char bp_vend[OPT_SIZE]; /* Vendor information */ 48*efee1709Swdenk } Bootp_t; 49*efee1709Swdenk 50*efee1709Swdenk #define BOOTP_HDR_SIZE sizeof (Bootp_t) 51*efee1709Swdenk #define BOOTP_SIZE (ETHER_HDR_SIZE + IP_HDR_SIZE + BOOTP_HDR_SIZE) 52*efee1709Swdenk 53*efee1709Swdenk /**********************************************************************/ 54*efee1709Swdenk /* 55*efee1709Swdenk * Global functions and variables. 56*efee1709Swdenk */ 57*efee1709Swdenk 58*efee1709Swdenk /* bootp.c */ 59*efee1709Swdenk extern ulong BootpID; /* ID of cur BOOTP request */ 60*efee1709Swdenk extern char BootFile[128]; /* Boot file name */ 61*efee1709Swdenk extern int BootpTry; 62*efee1709Swdenk #ifdef CONFIG_BOOTP_RANDOM_DELAY 63*efee1709Swdenk ulong seed1, seed2; /* seed for random BOOTP delay */ 64*efee1709Swdenk #endif 65*efee1709Swdenk 66*efee1709Swdenk 67*efee1709Swdenk /* Send a BOOTP request */ 68*efee1709Swdenk extern void BootpRequest (void); 69*efee1709Swdenk 70*efee1709Swdenk /****************** DHCP Support *********************/ 71*efee1709Swdenk extern void DhcpRequest(void); 72*efee1709Swdenk 73*efee1709Swdenk /* DHCP States */ 74*efee1709Swdenk typedef enum { INIT, 75*efee1709Swdenk INIT_REBOOT, 76*efee1709Swdenk REBOOTING, 77*efee1709Swdenk SELECTING, 78*efee1709Swdenk REQUESTING, 79*efee1709Swdenk REBINDING, 80*efee1709Swdenk BOUND, 81*efee1709Swdenk RENEWING } dhcp_state_t; 82*efee1709Swdenk 83*efee1709Swdenk #define DHCP_DISCOVER 1 84*efee1709Swdenk #define DHCP_OFFER 2 85*efee1709Swdenk #define DHCP_REQUEST 3 86*efee1709Swdenk #define DHCP_DECLINE 4 87*efee1709Swdenk #define DHCP_ACK 5 88*efee1709Swdenk #define DHCP_NAK 6 89*efee1709Swdenk #define DHCP_RELEASE 7 90*efee1709Swdenk 91*efee1709Swdenk #define SELECT_TIMEOUT 3 /* Seconds to wait for offers */ 92*efee1709Swdenk 93*efee1709Swdenk /**********************************************************************/ 94*efee1709Swdenk 95*efee1709Swdenk #endif /* __BOOTP_H__ */ 96