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authorrgrimes <rgrimes@FreeBSD.org>1994-05-27 12:39:25 +0000
committerrgrimes <rgrimes@FreeBSD.org>1994-05-27 12:39:25 +0000
commit758c6e92c9f67b6722825ed7f11c4f775df5e2bc (patch)
tree98f432c884841050df97457a45ee310154679012 /libexec/rbootd/rmp.h
parente5bc52df062079b53ec568f2f4ae8f797c38933e (diff)
downloadFreeBSD-src-758c6e92c9f67b6722825ed7f11c4f775df5e2bc.zip
FreeBSD-src-758c6e92c9f67b6722825ed7f11c4f775df5e2bc.tar.gz
BSD 4.4 Lite Libexec Sources
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+/*
+ * Copyright (c) 1988, 1992 The University of Utah and the Center
+ * for Software Science (CSS).
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Center for Software Science of the University of Utah Computer
+ * Science Department. CSS requests users of this software to return
+ * to css-dist@cs.utah.edu any improvements that they make and grant
+ * CSS redistribution rights.
+ *
+ * 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.
+ *
+ * @(#)rmp.h 8.1 (Berkeley) 6/4/93
+ *
+ * Utah $Hdr: rmp.h 3.1 92/07/06$
+ * Author: Jeff Forys, University of Utah CSS
+ */
+
+/*
+ * Define MIN/MAX sizes of RMP (ethernet) packet.
+ * For ease of computation, the 4 octet CRC field is not included.
+ *
+ * MCLBYTES is for bpfwrite(); it is adamant about using a cluster.
+ */
+
+#define RMP_MAX_PACKET MIN(1514,MCLBYTES)
+#define RMP_MIN_PACKET 60
+
+/*
+ * Define RMP/Ethernet Multicast address (9:0:9:0:0:4) and its length.
+ */
+#define RMP_ADDR { 0x9, 0x0, 0x9, 0x0, 0x0, 0x4 }
+#define RMP_ADDRLEN 6
+
+/*
+ * Define IEEE802.2 (Logical Link Control) information.
+ */
+#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 */
+
+/*
+ * 802.3-style "Ethernet" header.
+ */
+
+struct hp_hdr {
+ u_char daddr[RMP_ADDRLEN];
+ u_char saddr[RMP_ADDRLEN];
+ u_short len;
+};
+
+/*
+ * HP uses 802.2 LLC with their own local extensions. This struct makes
+ * sence out of this data (encapsulated in the above 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 */
+};
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