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1.1 root 1: /*-
2: * Copyright (c) 1991 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. All advertising materials mentioning features or use of this software
14: * must display the following acknowledgement:
15: * This product includes software developed by the University of
16: * California, Berkeley and its contributors.
17: * 4. Neither the name of the University nor the names of its contributors
18: * may be used to endorse or promote products derived from this software
19: * without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31: * SUCH DAMAGE.
32: *
33: * @(#)cons_pcb.h 7.4 (Berkeley) 5/6/91
34: */
35:
36: /***********************************************************
37: Copyright IBM Corporation 1987
38:
39: All Rights Reserved
40:
41: Permission to use, copy, modify, and distribute this software and its
42: documentation for any purpose and without fee is hereby granted,
43: provided that the above copyright notice appear in all copies and that
44: both that copyright notice and this permission notice appear in
45: supporting documentation, and that the name of IBM not be
46: used in advertising or publicity pertaining to distribution of the
47: software without specific, written prior permission.
48:
49: IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
50: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
51: IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
52: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
53: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
54: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
55: SOFTWARE.
56:
57: ******************************************************************/
58:
59: /*
60: * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
61: */
62: /* $Header: cons_pcb.h,v 4.2 88/06/29 14:59:08 hagens Exp $ */
63: /* $Source: /usr/argo/sys/netiso/RCS/cons_pcb.h,v $ */
64:
65: /*
66: * protocol control block for the connection oriented network service
67: */
68:
69: /*
70: * legit port #s for cons "transport" are 0..23 for su users only, and
71: * 1024..1099 for public users
72: */
73: #define X25_SBSIZE 512
74: #define X25_PORT_RESERVED 24
75: #define X25_PORT_USERMAX 1099
76: #define X25_FACIL_LEN_MAX 109
77: #define X25_PARTIAL_PKT_LEN_MAX (MLEN - sizeof(struct cons_pcb))
78:
79: #ifndef ARGO_DEBUG
80: #define X25_TTL 600 /* 5 min */
81: #else ARGO_DEBUG
82: #define X25_TTL 120 /* 1 min */
83: #endif ARGO_DEBUG
84:
85: struct cons_pcb {
86: struct isopcb _co_isopcb;
87: #define co_next _co_isopcb.isop_next
88: /* prev used for netstat only */
89: #define co_prev _co_isopcb.isop_prev
90: #define co_head _co_isopcb.isop_head
91: #define co_laddr _co_isopcb.isop_laddr
92: #define co_faddr _co_isopcb.isop_faddr
93: #define co_lport _co_isopcb.isop_laddr.siso_tsuffix
94: #define co_fport _co_isopcb.isop_faddr.siso_tsuffix
95: #define co_route _co_isopcb.isop_route
96: #define co_socket _co_isopcb.isop_socket
97: #define co_chanmask _co_isopcb.isop_chanmask
98: #define co_negchanmask _co_isopcb.isop_negchanmask
99: #define co_x25crud _co_isopcb.isop_x25crud
100: #define co_x25crud_len _co_isopcb.isop_x25crud_len
101: u_short co_state;
102: u_char co_flags;
103: u_short co_ttl; /* time to live timer */
104: u_short co_init_ttl; /* initial value of ttl */
105: int co_channel; /* logical channel */
106: struct ifnet * co_ifp; /* interface */
107: struct protosw *co_proto;
108:
109: struct ifqueue co_pending; /* queue data to send when connection
110: completes*/
111: #define MAX_DTE_LEN 0x7 /* 17 bcd digits */
112: struct dte_addr co_peer_dte;
113: struct cons_pcb *co_myself; /* DEBUGGING AID */
114: };
115:
116: /*
117: * X.25 Packet types
118: */
119: #define XPKT_DATA 1
120: #define XPKT_INTERRUPT 2
121: #define XPKT_FLOWCONTROL 3 /* not delivered? */
122:
123: /*
124: * pcb xtates
125: */
126:
127: #define CLOSED 0x0
128: #define LISTENING 0x1
129: #define CLOSING 0x2
130: /* USABLE STATES MUST BE LAST */
131: #define CONNECTING 0x3
132: #define ACKWAIT 0x4
133: #define OPEN 0x5
134: #define MIN_USABLE_STATE CONNECTING
135:
136: #define cons_NSTATES 0x6
137:
138:
139: /* type */
140: #define CONSF_OCRE 0x40 /* created on OUTPUT */
141: #define CONSF_ICRE 0x20 /* created on INPUT */
142: #define CONSF_unused 0x10 /* not used */
143: #define CONSF_unused2 0x08 /* not used */
144: #define CONSF_DGM 0x04 /* for dgm use only */
145: #define CONSF_XTS 0x02 /* for cons-as-transport-service */
146: #define CONSF_LOOPBACK 0x01 /* loopback was on when connection commenced */
147:
148: #define X_NOCHANNEL 0x80
149:
150:
151: struct cons_stat {
152: u_int co_intr; /* input from eicon board */
153: u_int co_restart; /* ecn_restart() request issued to board */
154: u_int co_slowtimo; /* times slowtimo called */
155: u_int co_timedout; /* connections closed by slowtimo */
156: u_int co_ack; /* ECN_ACK indication came from eicon board */
157: u_int co_receive; /* ECN_RECEIVE indication came from eicon board */
158: u_int co_send; /* ECN_SEND request issued to board */
159: u_int co_reset_in; /* ECN_RESET indication came from eicon board */
160: u_int co_reset_out; /* ECN_RESET issued to the eicon board */
161: u_int co_clear_in; /* ECN_CLEAR indication came from eicon board */
162: u_int co_clear_out; /* ECN_CLEAR request issued to board */
163: u_int co_refuse; /* ECN_REFUSE indication came from eicon board */
164: u_int co_accept; /* ECN_ACCEPT indication came from eicon board */
165: u_int co_connect; /* ECN_CONNECT indication came from eicon board */
166: u_int co_call; /* ECN_CALL request issued to board */
167: u_int co_Rdrops; /* bad pkt came from ll */
168: u_int co_Xdrops; /* can't keep up */
169:
170: u_int co_intrpt_pkts_in; /* interrupt packets in */
171: u_int co_avg_qlen;
172: u_int co_avg_qdrop;
173: u_int co_active;
174:
175: u_int co_noresources;
176: u_int co_parse_facil_err;
177: u_int co_addr_proto_consist_err;
178: u_int co_no_copcb;
179: } cons_stat;
180:
181: u_char x25_error_stats[CONL_ERROR_MAX + 1];
182:
183: struct ifqueue consintrq;
184:
185: /* reasons for clear are in a data mbuf chained to a clear ecn_request */
186: struct e_clear_data {
187: u_char ecd_cause;
188: u_char ecd_diagnostic;
189: };
190:
191: #ifdef KERNEL
192: #define IncStat(XYZ) cons_stat.XYZ++
193: #endif KERNEL
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