bsd/netiso/cons_pcb.h

   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 */