The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netiso/cons_pcb.h

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    1 /*      $NetBSD: cons_pcb.h,v 1.8 2003/08/07 16:33:34 agc Exp $ */
    2 
    3 /*-
    4  * Copyright (c) 1991, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. Neither the name of the University nor the names of its contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  *      @(#)cons_pcb.h  8.1 (Berkeley) 6/10/93
   32  */
   33 
   34 /***********************************************************
   35                 Copyright IBM Corporation 1987
   36 
   37                       All Rights Reserved
   38 
   39 Permission to use, copy, modify, and distribute this software and its
   40 documentation for any purpose and without fee is hereby granted,
   41 provided that the above copyright notice appear in all copies and that
   42 both that copyright notice and this permission notice appear in
   43 supporting documentation, and that the name of IBM not be
   44 used in advertising or publicity pertaining to distribution of the
   45 software without specific, written prior permission.
   46 
   47 IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
   48 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
   49 IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
   50 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
   51 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
   52 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
   53 SOFTWARE.
   54 
   55 ******************************************************************/
   56 
   57 /*
   58  * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
   59  */
   60 
   61 /*
   62  * protocol control block for the connection oriented network service
   63  */
   64 
   65 /*
   66  * legit port #s for cons "transport" are 0..23 for su users only, and
   67  * 1024..1099 for public users
   68  */
   69 #define X25_SBSIZE      512
   70 #define X25_PORT_RESERVED 24
   71 #define X25_PORT_USERMAX 1099
   72 #define X25_FACIL_LEN_MAX  109
   73 #define X25_PARTIAL_PKT_LEN_MAX (MLEN - sizeof(struct cons_pcb))
   74 
   75 #ifndef ARGO_DEBUG
   76 #define X25_TTL 600             /* 5 min */
   77 #else                           /* ARGO_DEBUG */
   78 #define X25_TTL 120             /* 1 min */
   79 #endif                          /* ARGO_DEBUG */
   80 
   81 struct cons_pcb {
   82         struct isopcb   _co_isopcb;
   83 #define co_next _co_isopcb.isop_next
   84         /* prev used for netstat only */
   85 #define co_prev _co_isopcb.isop_prev
   86 #define co_head _co_isopcb.isop_head
   87 #define co_laddr _co_isopcb.isop_laddr
   88 #define co_faddr _co_isopcb.isop_faddr
   89 #define co_lport _co_isopcb.isop_laddr.siso_tsuffix
   90 #define co_fport _co_isopcb.isop_faddr.siso_tsuffix
   91 #define co_route _co_isopcb.isop_route
   92 #define co_socket _co_isopcb.isop_socket
   93 #define co_chanmask _co_isopcb.isop_chanmask
   94 #define co_negchanmask _co_isopcb.isop_negchanmask
   95 #define co_x25crud _co_isopcb.isop_x25crud
   96 #define co_x25crud_len _co_isopcb.isop_x25crud_len
   97         u_short         co_state;
   98         u_char          co_flags;
   99         u_short         co_ttl; /* time to live timer */
  100         u_short         co_init_ttl;    /* initial value of ttl  */
  101         int             co_channel;     /* logical channel */
  102         struct ifnet   *co_ifp; /* interface */
  103         struct protosw *co_proto;
  104 
  105         struct ifqueue  co_pending;     /* queue data to send when connection
  106                                          * completes */
  107 #define MAX_DTE_LEN 0x7         /* 17 bcd digits */
  108         struct dte_addr co_peer_dte;
  109         struct cons_pcb *co_myself;     /* DEBUGGING AID */
  110 };
  111 
  112 /*
  113  * X.25 Packet types
  114  */
  115 #define XPKT_DATA               1
  116 #define XPKT_INTERRUPT  2
  117 #define XPKT_FLOWCONTROL 3      /* not delivered? */
  118 
  119 /*
  120  * pcb xtates
  121  */
  122 
  123 #define CLOSED          0x0
  124 #define LISTENING       0x1
  125 #define CLOSING         0x2
  126 /* USABLE STATES MUST BE LAST */
  127 #define CONNECTING      0x3
  128 #define ACKWAIT         0x4
  129 #define OPEN            0x5
  130 #define MIN_USABLE_STATE CONNECTING
  131 
  132 #define cons_NSTATES            0x6
  133 
  134 
  135 /* type */
  136 #define CONSF_OCRE      0x40    /* created on OUTPUT */
  137 #define CONSF_ICRE      0x20    /* created on INPUT */
  138 #define CONSF_unused    0x10    /* not used */
  139 #define CONSF_unused2   0x08    /* not used */
  140 #define CONSF_DGM               0x04    /* for dgm use only */
  141 #define CONSF_XTS               0x02    /* for cons-as-transport-service */
  142 #define CONSF_LOOPBACK  0x01    /* loopback was on when connection commenced */
  143 
  144 #define X_NOCHANNEL 0x80
  145 
  146 
  147 struct cons_stat {
  148         u_int           co_intr;/* input from eicon board */
  149         u_int           co_restart;     /* ecn_restart() request issued to
  150                                          * board */
  151         u_int           co_slowtimo;    /* times slowtimo called */
  152         u_int           co_timedout;    /* connections closed by slowtimo */
  153         u_int           co_ack; /* ECN_ACK indication came from eicon board */
  154         u_int           co_receive;     /* ECN_RECEIVE indication came from
  155                                          * eicon board */
  156         u_int           co_send;/* ECN_SEND request issued to board */
  157         u_int           co_reset_in;    /* ECN_RESET indication came from
  158                                          * eicon board */
  159         u_int           co_reset_out;   /* ECN_RESET issued to the eicon
  160                                          * board */
  161         u_int           co_clear_in;    /* ECN_CLEAR indication came from
  162                                          * eicon board */
  163         u_int           co_clear_out;   /* ECN_CLEAR request issued to board */
  164         u_int           co_refuse;      /* ECN_REFUSE indication came from
  165                                          * eicon board */
  166         u_int           co_accept;      /* ECN_ACCEPT indication came from
  167                                          * eicon board */
  168         u_int           co_connect;     /* ECN_CONNECT indication came from
  169                                          * eicon board */
  170         u_int           co_call;/* ECN_CALL request issued to board */
  171         u_int           co_Rdrops;      /* bad pkt came from ll */
  172         u_int           co_Xdrops;      /* can't keep up */
  173 
  174         u_int           co_intrpt_pkts_in;      /* interrupt packets in */
  175         u_int           co_avg_qlen;
  176         u_int           co_avg_qdrop;
  177         u_int           co_active;
  178 
  179         u_int           co_noresources;
  180         u_int           co_parse_facil_err;
  181         u_int           co_addr_proto_consist_err;
  182         u_int           co_no_copcb;
  183 }               cons_stat;
  184 
  185 u_char          x25_error_stats[CONL_ERROR_MAX + 1];
  186 
  187 struct ifqueue  consintrq;
  188 
  189 /* reasons for clear are in a data mbuf chained to a clear ecn_request */
  190 struct e_clear_data {
  191         u_char          ecd_cause;
  192         u_char          ecd_diagnostic;
  193 };
  194 
  195 #ifdef _KERNEL
  196 #define IncStat(XYZ) cons_stat.XYZ++
  197 #endif                          /* _KERNEL */

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