96 lines
3.6 KiB
C
96 lines
3.6 KiB
C
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/*
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* Copyright (c) 1988, 1992 The University of Utah and the Center
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* for Software Science (CSS).
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Center for Software Science of the University of Utah Computer
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* Science Department. CSS requests users of this software to return
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* to css-dist@cs.utah.edu any improvements that they make and grant
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* CSS redistribution rights.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)rmp.h 8.1 (Berkeley) 6/4/93
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*
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* From: Utah Hdr: rmp.h 3.1 92/07/06
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* Author: Jeff Forys, University of Utah CSS
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*/
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/*
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* Define MIN/MAX sizes of RMP (ethernet) packet.
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* For ease of computation, the 4 octet CRC field is not included.
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*
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* MCLBYTES is for bpfwrite(); it is adamant about using a cluster.
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*/
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#define RMP_MAX_PACKET MIN(1514,MCLBYTES)
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#define RMP_MIN_PACKET 60
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/*
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* Define RMP/Ethernet Multicast address (9:0:9:0:0:4) and its length.
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*/
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#define RMP_ADDR { 0x9, 0x0, 0x9, 0x0, 0x0, 0x4 }
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#define RMP_ADDRLEN 6
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/*
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* Define IEEE802.2 (Logical Link Control) information.
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*/
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#define IEEE_DSAP_HP 0xF8 /* Destination Service Access Point */
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#define IEEE_SSAP_HP 0xF8 /* Source Service Access Point */
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#define IEEE_CNTL_HP 0x0300 /* Type 1 / I format control information */
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#define HPEXT_DXSAP 0x608 /* HP Destination Service Access Point */
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#define HPEXT_SXSAP 0x609 /* HP Source Service Access Point */
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/*
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* 802.3-style "Ethernet" header.
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*/
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struct hp_hdr {
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u_int8_t daddr[RMP_ADDRLEN];
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u_int8_t saddr[RMP_ADDRLEN];
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u_int16_t len;
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};
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/*
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* HP uses 802.2 LLC with their own local extensions. This struct makes
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* sense out of this data (encapsulated in the above 802.3 packet).
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*/
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struct hp_llc {
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u_int8_t dsap; /* 802.2 DSAP */
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u_int8_t ssap; /* 802.2 SSAP */
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u_int16_t cntrl; /* 802.2 control field */
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u_int16_t filler; /* HP filler (must be zero) */
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u_int16_t dxsap; /* HP extended DSAP */
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u_int16_t sxsap; /* HP extended SSAP */
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};
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