* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990 The Regents of the University of California.
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* from: Utah $Hdr: rmp_var.h 1.3 89/06/07$
* @(#)rmp_var.h 7.1 (Berkeley) 5/8/90
#ifndef _NETRMP_RMP_VAR_H_
#define _NETRMP_RMP_VAR_H_ 1
* WARNING: rmp_packet is defined assuming alignment on 16-bit boundaries.
* Data will be contiguous on HP's (MC68000), but there may be holes if
* this is used elsewhere (e.g. VAXen). Or, in other words:
* if (sizeof(struct rmp_packet) != 1504) error("AlignmentProblem");
* Possible values for "rmp_type" fields.
#define RMP_BOOT_REQ 1 /* boot request packet */
#define RMP_BOOT_REPL 129 /* boot reply packet */
#define RMP_READ_REQ 2 /* read request packet */
#define RMP_READ_REPL 130 /* read reply packet */
#define RMP_BOOT_DONE 3 /* boot complete packet */
#define RMP_VERSION 2 /* protocol version */
#define RMP_TIMEOUT 600 /* timeout connection after ten minutes */
#define RMP_PROBESID 0xffff /* session ID for probes */
#define RMP_HOSTLEN 13 /* max length of server's name */
#define RMP_E_EOF 2 /* read reply: returned end of file */
#define RMP_E_ABORT 3 /* abort operation */
#define RMP_E_BUSY 4 /* boot reply: server busy */
#define RMP_E_TIMEOUT 5 /* lengthen time out (not implemented) */
#define RMP_E_NOFILE 16 /* boot reply: file does not exist */
#define RMP_E_OPENFILE 17 /* boot reply: file open failed */
#define RMP_E_NODFLT 18 /* boot reply: default file does not exist */
#define RMP_E_OPENDFLT 19 /* boot reply: default file open failed */
#define RMP_E_BADSID 25 /* read reply: bad session ID */
#define RMP_E_BADPACKET 27 /* Bad packet detected */
#define RMPADDRLEN 6 /* size of ethernet address */
#define RMPLENGTHLEN 2 /* size of ethernet length field (802.3) */
#define RMPMACHLEN 20 /* length of machine type field */
* RMPDATALEN is the maximum number of data octets that can be stuffed
* into an RMP packet. This excludes the 802.2 LLC w/HP extensions.
#define RMPDATALEN (RMP_MAX_PACKET - (2*RMPADDRLEN + RMPLENGTHLEN + \
* Define sizes of packets we send. Boot and Read replies are variable
* in length depending on the length of `s'.
* Also, define how much space `restofpkt' can take up for outgoing
* Boot and Read replies. Boot Request packets are effectively
* limited to 255 bytes due to the preceding 1-byte length field.
#define RMPBOOTSIZE(s) (sizeof(struct hp_llc) + sizeof(struct ifnet *) + \
sizeof(struct rmp_boot_repl) + s - \
#define RMPREADSIZE(s) (sizeof(struct hp_llc) + sizeof(struct ifnet *) + \
sizeof(struct rmp_read_repl) + s - \
sizeof(restofpkt) - sizeof(u_char))
#define RMPDONESIZE (sizeof(struct hp_llc) + sizeof(struct ifnet *) + \
sizeof(struct rmp_boot_done))
#define RMPREADDATA (RMPDATALEN - \
(2*sizeof(u_char)+sizeof(u_short)+sizeof(u_long)))
* This protocol defines some field sizes as "rest of ethernet packet".
* There is no easy way to specify this in C, so we use a one character
* field to denote it, and index past it to the end of the packet.
u_char rmp_type
; /* packet type */
u_char rmp_rawdata
[RMPDATALEN
-1];
struct rmp_boot_req
{ /* boot request */
u_char rmp_type
; /* packet type (RMP_BOOT_REQ) */
u_char rmp_retcode
; /* return code (0) */
u_long rmp_seqno
; /* sequence number (real time clock) */
u_short rmp_session
; /* session id (normally 0) */
u_short rmp_version
; /* protocol version (RMP_VERSION) */
char rmp_machtype
[RMPMACHLEN
]; /* machine type */
u_char rmp_flnmsize
; /* length of rmp_flnm */
restofpkt rmp_flnm
; /* name of file to be read */
struct rmp_boot_repl
{ /* boot reply */
u_char rmp_type
; /* packet type (RMP_BOOT_REPL) */
u_char rmp_retcode
; /* return code (normally 0) */
u_long rmp_seqno
; /* sequence number (from boot req) */
u_short rmp_session
; /* session id (generated) */
u_short rmp_version
; /* protocol version (RMP_VERSION) */
u_char rmp_flnmsize
; /* length of rmp_flnm */
restofpkt rmp_flnm
; /* name of file (from boot req) */
struct rmp_read_req
{ /* read request */
u_char rmp_type
; /* packet type (RMP_READ_REQ) */
u_char rmp_retcode
; /* return code (0) */
u_long rmp_offset
; /* file relative byte offset */
u_short rmp_session
; /* session id (from boot repl) */
u_short rmp_size
; /* max no of bytes to send */
struct rmp_read_repl
{ /* read reply */
u_char rmp_type
; /* packet type (RMP_READ_REPL) */
u_char rmp_retcode
; /* return code (normally 0) */
u_long rmp_offset
; /* byte offset (from read req) */
u_short rmp_session
; /* session id (from read req) */
restofpkt rmp_data
; /* data (max size from read req) */
u_char rmp_unused
; /* padding to 16-bit boundary */
struct rmp_boot_done
{ /* boot complete */
u_char rmp_type
; /* packet type (RMP_BOOT_DONE) */
u_char rmp_retcode
; /* return code (0) */
u_long rmp_unused
; /* not used (0) */
u_short rmp_session
; /* session id (from read repl) */
struct ifnet
*ifp
; /* ptr to intf packet arrived on */
struct rmp_boot_req rmp_brq
; /* boot request */
struct rmp_boot_repl rmp_brpl
; /* boot reply */
struct rmp_read_req rmp_rrq
; /* read request */
struct rmp_read_repl rmp_rrpl
; /* read reply */
struct rmp_boot_done rmp_done
; /* boot complete */
struct rmp_raw rmp_raw
; /* raw data */
#define r_type rmp_proto.rmp_raw.rmp_type
#define r_data rmp_proto.rmp_raw.rmp_data
#define r_brq rmp_proto.rmp_brq
#define r_brpl rmp_proto.rmp_brpl
#define r_rrq rmp_proto.rmp_rrq
#define r_rrpl rmp_proto.rmp_rrpl
#define r_done rmp_proto.rmp_done
* RMP socket address: just family & destination addr.
short srmp_family
; /* address family (AF_RMP) */
u_char srmp_dhost
[RMPADDRLEN
]; /* ethernet destination addr */
#endif /* _NETRMP_RMP_VAR_H_ */