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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /*-
23: * Copyright (c) 1991, 1993
24: * The Regents of the University of California. All rights reserved.
25: *
26: * Redistribution and use in source and binary forms, with or without
27: * modification, are permitted provided that the following conditions
28: * are met:
29: * 1. Redistributions of source code must retain the above copyright
30: * notice, this list of conditions and the following disclaimer.
31: * 2. Redistributions in binary form must reproduce the above copyright
32: * notice, this list of conditions and the following disclaimer in the
33: * documentation and/or other materials provided with the distribution.
34: * 3. All advertising materials mentioning features or use of this software
35: * must display the following acknowledgement:
36: * This product includes software developed by the University of
37: * California, Berkeley and its contributors.
38: * 4. Neither the name of the University nor the names of its contributors
39: * may be used to endorse or promote products derived from this software
40: * without specific prior written permission.
41: *
42: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
43: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
46: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52: * SUCH DAMAGE.
53: *
54: * @(#)cons_pcb.h 8.1 (Berkeley) 6/10/93
55: */
56:
57: /***********************************************************
58: Copyright IBM Corporation 1987
59:
60: All Rights Reserved
61:
62: Permission to use, copy, modify, and distribute this software and its
63: documentation for any purpose and without fee is hereby granted,
64: provided that the above copyright notice appear in all copies and that
65: both that copyright notice and this permission notice appear in
66: supporting documentation, and that the name of IBM not be
67: used in advertising or publicity pertaining to distribution of the
68: software without specific, written prior permission.
69:
70: IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
71: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
72: IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
73: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
74: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
75: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
76: SOFTWARE.
77:
78: ******************************************************************/
79:
80: /*
81: * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
82: */
83:
84: /*
85: * protocol control block for the connection oriented network service
86: */
87:
88: /*
89: * legit port #s for cons "transport" are 0..23 for su users only, and
90: * 1024..1099 for public users
91: */
92: #define X25_SBSIZE 512
93: #define X25_PORT_RESERVED 24
94: #define X25_PORT_USERMAX 1099
95: #define X25_FACIL_LEN_MAX 109
96: #define X25_PARTIAL_PKT_LEN_MAX (MLEN - sizeof(struct cons_pcb))
97:
98: #ifndef ARGO_DEBUG
99: #define X25_TTL 600 /* 5 min */
100: #else /* ARGO_DEBUG */
101: #define X25_TTL 120 /* 1 min */
102: #endif /* ARGO_DEBUG */
103:
104: struct cons_pcb {
105: struct isopcb _co_isopcb;
106: #define co_next _co_isopcb.isop_next
107: /* prev used for netstat only */
108: #define co_prev _co_isopcb.isop_prev
109: #define co_head _co_isopcb.isop_head
110: #define co_laddr _co_isopcb.isop_laddr
111: #define co_faddr _co_isopcb.isop_faddr
112: #define co_lport _co_isopcb.isop_laddr.siso_tsuffix
113: #define co_fport _co_isopcb.isop_faddr.siso_tsuffix
114: #define co_route _co_isopcb.isop_route
115: #define co_socket _co_isopcb.isop_socket
116: #define co_chanmask _co_isopcb.isop_chanmask
117: #define co_negchanmask _co_isopcb.isop_negchanmask
118: #define co_x25crud _co_isopcb.isop_x25crud
119: #define co_x25crud_len _co_isopcb.isop_x25crud_len
120: u_short co_state;
121: u_char co_flags;
122: u_short co_ttl; /* time to live timer */
123: u_short co_init_ttl; /* initial value of ttl */
124: int co_channel; /* logical channel */
125: struct ifnet * co_ifp; /* interface */
126: struct protosw *co_proto;
127:
128: struct ifqueue co_pending; /* queue data to send when connection
129: completes*/
130: #define MAX_DTE_LEN 0x7 /* 17 bcd digits */
131: struct dte_addr co_peer_dte;
132: struct cons_pcb *co_myself; /* DEBUGGING AID */
133: };
134:
135: /*
136: * X.25 Packet types
137: */
138: #define XPKT_DATA 1
139: #define XPKT_INTERRUPT 2
140: #define XPKT_FLOWCONTROL 3 /* not delivered? */
141:
142: /*
143: * pcb xtates
144: */
145:
146: #define CLOSED 0x0
147: #define LISTENING 0x1
148: #define CLOSING 0x2
149: /* USABLE STATES MUST BE LAST */
150: #define CONNECTING 0x3
151: #define ACKWAIT 0x4
152: #define OPEN 0x5
153: #define MIN_USABLE_STATE CONNECTING
154:
155: #define cons_NSTATES 0x6
156:
157:
158: /* type */
159: #define CONSF_OCRE 0x40 /* created on OUTPUT */
160: #define CONSF_ICRE 0x20 /* created on INPUT */
161: #define CONSF_unused 0x10 /* not used */
162: #define CONSF_unused2 0x08 /* not used */
163: #define CONSF_DGM 0x04 /* for dgm use only */
164: #define CONSF_XTS 0x02 /* for cons-as-transport-service */
165: #define CONSF_LOOPBACK 0x01 /* loopback was on when connection commenced */
166:
167: #define X_NOCHANNEL 0x80
168:
169:
170: struct cons_stat {
171: u_int co_intr; /* input from eicon board */
172: u_int co_restart; /* ecn_restart() request issued to board */
173: u_int co_slowtimo; /* times slowtimo called */
174: u_int co_timedout; /* connections closed by slowtimo */
175: u_int co_ack; /* ECN_ACK indication came from eicon board */
176: u_int co_receive; /* ECN_RECEIVE indication came from eicon board */
177: u_int co_send; /* ECN_SEND request issued to board */
178: u_int co_reset_in; /* ECN_RESET indication came from eicon board */
179: u_int co_reset_out; /* ECN_RESET issued to the eicon board */
180: u_int co_clear_in; /* ECN_CLEAR indication came from eicon board */
181: u_int co_clear_out; /* ECN_CLEAR request issued to board */
182: u_int co_refuse; /* ECN_REFUSE indication came from eicon board */
183: u_int co_accept; /* ECN_ACCEPT indication came from eicon board */
184: u_int co_connect; /* ECN_CONNECT indication came from eicon board */
185: u_int co_call; /* ECN_CALL request issued to board */
186: u_int co_Rdrops; /* bad pkt came from ll */
187: u_int co_Xdrops; /* can't keep up */
188:
189: u_int co_intrpt_pkts_in; /* interrupt packets in */
190: u_int co_avg_qlen;
191: u_int co_avg_qdrop;
192: u_int co_active;
193:
194: u_int co_noresources;
195: u_int co_parse_facil_err;
196: u_int co_addr_proto_consist_err;
197: u_int co_no_copcb;
198: } cons_stat;
199:
200: u_char x25_error_stats[CONL_ERROR_MAX + 1];
201:
202: struct ifqueue consintrq;
203:
204: /* reasons for clear are in a data mbuf chained to a clear ecn_request */
205: struct e_clear_data {
206: u_char ecd_cause;
207: u_char ecd_diagnostic;
208: };
209:
210: #ifdef KERNEL
211: #define IncStat(XYZ) cons_stat.XYZ++
212: #endif /* KERNEL */
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