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Annotation of 43BSDReno/sys/netiso/cons_pcb.h, revision 1.1

1.1     ! root        1: /***********************************************************
        !             2:                Copyright IBM Corporation 1987
        !             3: 
        !             4:                       All Rights Reserved
        !             5: 
        !             6: Permission to use, copy, modify, and distribute this software and its 
        !             7: documentation for any purpose and without fee is hereby granted, 
        !             8: provided that the above copyright notice appear in all copies and that
        !             9: both that copyright notice and this permission notice appear in 
        !            10: supporting documentation, and that the name of IBM not be
        !            11: used in advertising or publicity pertaining to distribution of the
        !            12: software without specific, written prior permission.  
        !            13: 
        !            14: IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
        !            15: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
        !            16: IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
        !            17: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
        !            18: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
        !            19: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
        !            20: SOFTWARE.
        !            21: 
        !            22: ******************************************************************/
        !            23: 
        !            24: /*
        !            25:  * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
        !            26:  */
        !            27: /* $Header: cons_pcb.h,v 4.2 88/06/29 14:59:08 hagens Exp $ */
        !            28: /* $Source: /usr/argo/sys/netiso/RCS/cons_pcb.h,v $ */
        !            29: /*     @(#)cons_pcb.h  7.3 (Berkeley) 8/29/89 */
        !            30: 
        !            31: /*
        !            32:  * protocol control block for the connection oriented network service
        !            33:  */
        !            34: 
        !            35: /*
        !            36:  * legit port #s for cons "transport" are 0..23 for su users only, and
        !            37:  * 1024..1099 for public users
        !            38:  */
        !            39: #define X25_SBSIZE     512
        !            40: #define        X25_PORT_RESERVED 24
        !            41: #define        X25_PORT_USERMAX 1099
        !            42: #define X25_FACIL_LEN_MAX  109
        !            43: #define X25_PARTIAL_PKT_LEN_MAX (MLEN - sizeof(struct cons_pcb))
        !            44: 
        !            45: #ifndef ARGO_DEBUG
        !            46: #define X25_TTL 600 /* 5 min */
        !            47: #else ARGO_DEBUG
        !            48: #define X25_TTL 120 /* 1 min */
        !            49: #endif ARGO_DEBUG
        !            50: 
        !            51: struct cons_pcb {
        !            52:        struct isopcb   _co_isopcb;
        !            53: #define co_next        _co_isopcb.isop_next
        !            54: /* prev used for netstat only */
        !            55: #define co_prev        _co_isopcb.isop_prev
        !            56: #define co_head        _co_isopcb.isop_head
        !            57: #define co_laddr _co_isopcb.isop_laddr
        !            58: #define co_faddr _co_isopcb.isop_faddr
        !            59: #define co_lport _co_isopcb.isop_laddr.siso_tsuffix
        !            60: #define co_fport _co_isopcb.isop_faddr.siso_tsuffix
        !            61: #define co_route _co_isopcb.isop_route
        !            62: #define co_socket _co_isopcb.isop_socket
        !            63: #define        co_chanmask _co_isopcb.isop_chanmask
        !            64: #define        co_negchanmask _co_isopcb.isop_negchanmask
        !            65: #define        co_x25crud _co_isopcb.isop_x25crud
        !            66: #define        co_x25crud_len _co_isopcb.isop_x25crud_len
        !            67:        u_short                 co_state; 
        !            68:        u_char                  co_flags; 
        !            69:        u_short                 co_ttl; /* time to live timer */
        !            70:        u_short                 co_init_ttl; /* initial value of ttl  */
        !            71:        int                     co_channel; /* logical channel */
        !            72:        struct ifnet *  co_ifp; /* interface */
        !            73:        struct protosw *co_proto; 
        !            74: 
        !            75:        struct ifqueue  co_pending; /* queue data to send when connection
        !            76:                                                completes*/
        !            77: #define MAX_DTE_LEN 0x7 /* 17 bcd digits */
        !            78:        struct dte_addr co_peer_dte;
        !            79:        struct  cons_pcb *co_myself; /* DEBUGGING AID */
        !            80: };
        !            81: 
        !            82: /*
        !            83:  * X.25 Packet types 
        !            84:  */
        !            85: #define XPKT_DATA              1
        !            86: #define XPKT_INTERRUPT 2
        !            87: #define XPKT_FLOWCONTROL 3 /* not delivered? */
        !            88: 
        !            89: /*
        !            90:  * pcb xtates
        !            91:  */
        !            92: 
        !            93: #define        CLOSED          0x0
        !            94: #define        LISTENING       0x1
        !            95: #define        CLOSING         0x2
        !            96: /* USABLE STATES MUST BE LAST */
        !            97: #define        CONNECTING      0x3
        !            98: #define        ACKWAIT         0x4
        !            99: #define        OPEN            0x5
        !           100: #define MIN_USABLE_STATE CONNECTING
        !           101: 
        !           102: #define        cons_NSTATES            0x6
        !           103: 
        !           104: 
        !           105: /* type */
        !           106: #define CONSF_OCRE     0x40 /* created on OUTPUT */
        !           107: #define CONSF_ICRE     0x20 /* created on INPUT */
        !           108: #define CONSF_unused   0x10 /* not used */
        !           109: #define CONSF_unused2  0x08 /* not used */
        !           110: #define CONSF_DGM              0x04 /* for dgm use only */
        !           111: #define CONSF_XTS              0x02 /* for cons-as-transport-service */
        !           112: #define CONSF_LOOPBACK 0x01 /* loopback was on when connection commenced */
        !           113: 
        !           114: #define X_NOCHANNEL 0x80
        !           115: 
        !           116: 
        !           117: struct cons_stat {
        !           118:        u_int co_intr;  /* input from eicon board */
        !           119:        u_int co_restart; /* ecn_restart() request issued to board */
        !           120:        u_int co_slowtimo; /* times slowtimo called */
        !           121:        u_int co_timedout; /* connections closed by slowtimo */
        !           122:        u_int co_ack; /* ECN_ACK indication came from eicon board */
        !           123:        u_int co_receive; /* ECN_RECEIVE indication came from eicon board */
        !           124:        u_int co_send; /* ECN_SEND request issued to board */
        !           125:        u_int co_reset_in; /* ECN_RESET indication came from eicon board */
        !           126:        u_int co_reset_out; /* ECN_RESET issued to the eicon board */
        !           127:        u_int co_clear_in; /* ECN_CLEAR indication came from eicon board */
        !           128:        u_int co_clear_out; /* ECN_CLEAR request issued to board */
        !           129:        u_int co_refuse; /* ECN_REFUSE indication came from eicon board */
        !           130:        u_int co_accept; /* ECN_ACCEPT indication came from eicon board */
        !           131:        u_int co_connect; /* ECN_CONNECT indication came from eicon board */
        !           132:        u_int co_call; /* ECN_CALL request issued to board */
        !           133:        u_int co_Rdrops; /* bad pkt came from ll */
        !           134:        u_int co_Xdrops; /* can't keep up */
        !           135: 
        !           136:        u_int   co_intrpt_pkts_in; /* interrupt packets in */
        !           137:        u_int co_avg_qlen;
        !           138:        u_int co_avg_qdrop;
        !           139:        u_int co_active;
        !           140: 
        !           141:        u_int co_noresources;
        !           142:        u_int co_parse_facil_err;
        !           143:        u_int co_addr_proto_consist_err;
        !           144:        u_int co_no_copcb;
        !           145: } cons_stat;
        !           146: 
        !           147: u_char x25_error_stats[CONL_ERROR_MAX + 1];
        !           148: 
        !           149: struct ifqueue consintrq; 
        !           150: 
        !           151: /* reasons for clear are in a data mbuf chained to a clear ecn_request */
        !           152: struct e_clear_data                            {
        !           153:        u_char ecd_cause;
        !           154:        u_char ecd_diagnostic;
        !           155: };
        !           156: 
        !           157: #ifdef KERNEL
        !           158: #define IncStat(XYZ) cons_stat.XYZ++
        !           159: #endif KERNEL

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