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Annotation of Net2/netiso/cons_pcb.h, revision 1.1

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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