Subversion Repositories planix.SVN

/* from <ip.h> */

enum
{
        ETHER_HDR       = 14,
        ET_IP           = 0x800,

        IP_VER          = 0x40,
        IP_HLEN         = 0x05,                 
        IP_UDPPROTO     = 17,

        UDP_EHSIZE      = 22,
        UDP_PHDRSIZE    = 12,
        UDP_HDRSIZE     = 20,

        BPportsrc       = 68,
        BPportdst       = 67,
        Bootrequest     = 1,
        Bootreply       = 2,

        TFTPport        = 69,
//      Timeout         = 5000, /* milliseconds */
        Timeout         = 2000, /* milliseconds */
        Tftp_READ       = 1,
        Tftp_WRITE      = 2,
        Tftp_DATA       = 3,
        Tftp_ACK        = 4,
        Tftp_ERROR      = 5,
        Tftp_OACK       = 6,            /* extension: option(s) ack */
        Defsegsize      = 512,

        /* lengths of some bootp fields */
        Maxhwlen=       16,
        Maxfilelen=     128,
        Maxoptlen=      312-4,

        /* bootp option types */
        OBend=                  255,
        OBpad=                  0,
        OBmask=                 1,
};

/*
 *  user level udp headers with control message "headers"
 */
enum 
{
        Udphdrsize=     52,     /* size of a Udphdr */
};

typedef struct Udphdr Udphdr;
struct Udphdr
{
        uchar   raddr[IPaddrlen];       /* V6 remote address */
        uchar   laddr[IPaddrlen];       /* V6 local address */
        uchar   ifcaddr[IPaddrlen];     /* V6 ifc addr msg was received on */
        uchar   rport[2];               /* remote port */
        uchar   lport[2];               /* local port */
};

/*
 * from 9load
 */
typedef struct Bootp Bootp;
struct Bootp
{
        uchar   op;             /* opcode */
        uchar   htype;          /* hardware type */
        uchar   hlen;           /* hardware address len */
        uchar   hops;           /* hops */
        uchar   xid[4];         /* a random number */
        uchar   secs[2];        /* elapsed since client started booting */
        uchar   flags[2];       /* unused in bootp, flags in dhcp */
        uchar   ciaddr[4];      /* client IP address (client tells server) */
        uchar   yiaddr[4];      /* client IP address (server tells client) */
        uchar   siaddr[4];      /* server IP address */
        uchar   giaddr[4];      /* gateway IP address */
        uchar   chaddr[16];     /* client hardware address */
        char    sname[64];      /* server host name (optional) */
        char    file[128];      /* boot file name */

//      char    vend[128];      /* vendor-specific goo */
        uchar   optmagic[4];
        uchar   optdata[Maxoptlen];
};

typedef struct Pxenetaddr Pxenetaddr;
struct Pxenetaddr
{
        uchar   ip[IPaddrlen];
        ushort  port;
};

extern int chatty;