initial import of NetBSD tree

1 files changed, 209 insertions, 0 deletions

diff --git a/sys/netccitt/pk.h b/sys/netccitt/pk.h
new file mode 100644
index 00000000000..10b2fa218cf
--- /dev/null
+++ b/sys/netccitt/pk.h
@@ -0,0 +1,209 @@
+/*	$NetBSD: pk.h,v 1.5 1994/06/29 06:37:29 cgd Exp $	*/
+
+/*
+ * Copyright (c) University of British Columbia, 1984
+ * Copyright (c) 1990, 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Laboratory for Computation Vision and the Computer Science Department
+ * of the University of British Columbia.
+ *
+ * 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.
+ *
+ *	@(#)pk.h	8.1 (Berkeley) 6/10/93
+ */
+
+/*
+ *
+ *  X.25 Packet Level Definitions:
+ *
+ */
+
+/* Packet type identifier field defintions. */
+
+#define X25_CALL                         11
+#define X25_CALL_ACCEPTED                15   
+#define X25_CLEAR                        19
+#define X25_CLEAR_CONFIRM                23  
+#define X25_DATA                          0   
+#define X25_INTERRUPT                    35   
+#define X25_INTERRUPT_CONFIRM            39   
+
+#define X25_RR                            1   
+#define X25_RNR                           5   
+#define X25_REJECT			  9
+#define X25_RESET                        27 
+#define X25_RESET_CONFIRM                31   
+#define X25_DIAGNOSTIC			241
+
+#define X25_RESTART                     251     
+#define X25_RESTART_CONFIRM		255 
+
+/* Restart cause field definitions. */
+
+#define X25_RESTART_DTE_ORIGINATED	  0
+#define X25_RESTART_LOCAL_PROCEDURE_ERROR 1
+#define X25_RESTART_NETWORK_CONGESTION	  3
+#define X25_RESTART_NETWORK_OPERATIONAL	  7
+#define X25_RESTART_DTE_ORIGINATED2	  128
+
+
+/* Miscellaneous definitions. */
+
+#define DATA_PACKET_DESIGNATOR		0x01
+#define RR_OR_RNR_PACKET_DESIGNATOR	0x02
+#define RR_PACKET_DESIGNATOR		0x04
+
+#define DEFAULT_WINDOW_SIZE		2
+#define MODULUS				8
+
+#define ADDRLN				1
+#define MAXADDRLN			15
+#define FACILITIESLN			1
+#define MAXFACILITIESLN			10
+#define MAXUSERDATA			16
+#define MAXCALLINFOLN			1+15+1+10+16
+
+#define PACKET_OK			0
+#define IGNORE_PACKET			1
+#define ERROR_PACKET			2
+
+typedef char    bool;
+#define FALSE	0
+#define TRUE	1
+
+/*
+ *  X.25 Packet format definitions
+ *  This will eventually have to be rewritten without reference
+ *  to bit fields, to be ansi C compliant and allignment safe.
+ */
+
+typedef u_char octet;
+
+struct x25_calladdr {
+	octet addrlens;
+	octet address_field[MAXADDRLN];
+};
+
+struct x25_packet {
+	octet bits;
+	octet logical_channel_number;
+	octet packet_type;
+	octet packet_data;
+};
+#define packet_cause packet_data
+
+struct data_packet {
+	octet bits;
+};
+
+#define FACILITIES_REVERSE_CHARGE	0x1
+#define FACILITIES_THROUGHPUT		0x2
+#define FACILITIES_PACKETSIZE		0x42
+#define FACILITIES_WINDOWSIZE		0x43
+
+#define PKHEADERLN	3
+
+#define DP(xp)          (((struct data_packet *)&(xp) -> packet_type) -> bits)
+#define PS(xp)           X25GBITS(DP(xp), p_s)
+#define PR(xp)           X25GBITS(DP(xp), p_r)
+#define MBIT(xp)         X25GBITS(DP(xp), m_bit)
+#define SPR(xp, v)       X25SBITS(DP(xp), p_r, (v))
+#define SPS(xp, v)       X25SBITS(DP(xp), p_s, (v))
+#define SMBIT(xp, v)     X25SBITS(DP(xp), m_bit, (v))
+
+#define LCN(xp)		(xp -> logical_channel_number + \
+	(X25GBITS(xp -> bits, lc_group_number) ? (X25GBITS(xp -> bits, lc_group_number) << 8) : 0))
+#define SET_LCN(xp, lcn) ((xp -> logical_channel_number = lcn), \
+	(X25SBITS(xp -> bits, lc_group_number, lcn > 255 ? lcn >> 8 : 0)))
+
+struct mbuf *pk_template ();
+
+/* Define X.25 packet level states. */
+
+/* Call setup and clearing substates.  */
+
+#define LISTEN           0
+#define READY            1
+#define RECEIVED_CALL    2
+#define SENT_CALL        3
+#define DATA_TRANSFER    4
+#define RECEIVED_CLEAR   5
+#define SENT_CLEAR       6
+
+/* DTE states. */
+
+#define DTE_WAITING		7
+#define DTE_RECEIVED_RESTART	8
+#define DTE_SENT_RESTART	9
+#define DTE_READY		0
+
+/* Cleaning out ... */
+
+#define LCN_ZOMBIE 		10
+
+#define MAXSTATES		11
+
+/*
+ *  The following definitions are used in a switch statement after
+ *  determining the packet type.  These values are returned by the
+ *  pk_decode procedure. 
+ */
+
+#define CALL             0 * MAXSTATES
+#define CALL_ACCEPTED    1 * MAXSTATES
+#define CLEAR            2 * MAXSTATES
+#define CLEAR_CONF       3 * MAXSTATES
+#define DATA             4 * MAXSTATES
+#define INTERRUPT        5 * MAXSTATES
+#define INTERRUPT_CONF   6 * MAXSTATES
+#define RR               7 * MAXSTATES
+#define RNR              8 * MAXSTATES
+#define RESET            9 * MAXSTATES
+#define RESET_CONF      10 * MAXSTATES
+#define RESTART         11 * MAXSTATES
+#define RESTART_CONF    12 * MAXSTATES
+#define REJECT          13 * MAXSTATES
+#define DIAG_TYPE       14 * MAXSTATES
+#define INVALID_PACKET  15 * MAXSTATES
+#define DELETE_PACKET	INVALID_PACKET
+
+/*
+ * The following definitions are used by the restart procedures
+ * for noting wether the PLE is supposed to behave as DTE or DCE
+ * (essentially necessary for operation over LLC2)
+ */
+#define	DTE_DXERESOLVING	0x0001
+#define	DTE_PLAYDTE		0x0002
+#define	DTE_PLAYDCE		0x0004
+#define DTE_CONNECTPENDING	0x0010
+#define	DTE_PRETENDDTE		0x0020
+
+#define MAXRESTARTCOLLISIONS	10