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- /*
- * 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.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 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
- * SUCH DAMAGE.
- *
- * from: Utah $Hdr: rmp_var.h 1.3 89/06/07$
- *
- * @(#)rmp_var.h 7.1 (Berkeley) 5/8/90
- */
-
- /*
- * 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 */
-
- /*
- * Useful constants.
- */
-
- #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 */
-
- /*
- * RMP error codes
- */
-
- #define RMP_E_OKAY 0
- #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 */
-
- /*
- * Assorted field sizes.
- */
-
- #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 + \
- sizeof(struct hp_llc)) )
-
- /*
- * 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 - \
- sizeof(restofpkt))
- #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 RMPBOOTDATA 255
- #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.
- */
-
- typedef char restofpkt;
-
- /*
- * Packet structures.
- */
-
- struct rmp_raw {
- 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 rmp_packet {
- struct ifnet *ifp; /* ptr to intf packet arrived on */
- struct hp_llc hp_llc;
- union {
- 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 */
- } rmp_proto;
- };
-
- /*
- * Make life easier...
- */
-
- #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.
- */
-
- struct sockaddr_rmp {
- short srmp_family; /* address family (AF_RMP) */
- u_char srmp_dhost[RMPADDRLEN]; /* ethernet destination addr */
- };
-