usr/src/sys/deprecated/netrmp/rmp.h

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * %sccs.include.redist.c%
 *
 * from: Utah $Hdr: rmp.h 1.3 89/06/07$
 *
 *      @(#)rmp.h       7.1 (Berkeley) %G%
 */

/*
 *  Define MIN/MAX sizes of RMP (ethernet) packet.  For ease of computation,
 *  the 4 octet CRC field is not included.
 */

#define RMP_MAX_PACKET  1514
#define RMP_MIN_PACKET  60


/*
 *  Define IEEE802.2 (Logical Link Control) information.
 */

#define ETHERTYPE_IEEE  0       /* hack hack hack */

#define IEEE802LEN_MIN  40
#define IEEE802LEN_MAX  1500

#define IEEE_DSAP_HP    0xF8    /* Destination Service Access Point */
#define IEEE_SSAP_HP    0xF8    /* Source Service Access Point */
#define IEEE_CNTL_HP    0x0300  /* Type 1 / I format control information */

#define HPEXT_DXSAP     0x608   /* HP Destination Service Access Point */
#define HPEXT_SXSAP     0x609   /* HP Source Service Access Point */

/*
 * HP uses 802.2 LLC with their own local extensions.  This struct makes
 * sence out of this data (encapsulated in the 802.3 packet).
 */

struct hp_llc {
        u_char  dsap;           /* 802.2 DSAP */
        u_char  ssap;           /* 802.2 SSAP */
        u_short cntrl;          /* 802.2 control field */
        u_short filler;         /* HP filler (must be zero) */
        u_short dxsap;          /* HP extended DSAP */
        u_short sxsap;          /* HP extended SSAP */
};


/*
 * Protocol(s)
 */

#define RMPPROTO_BOOT   1               /* RMP boot protocol */

#if     defined(KERNEL) & defined(RMP)
extern  struct  domain rmpdomain;
extern  struct  protosw rmpsw[];
#endif