1 /*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)cons_pcb.h 8.1 (Berkeley) 06/10/93 8 */ 9 10 /*********************************************************** 11 Copyright IBM Corporation 1987 12 13 All Rights Reserved 14 15 Permission to use, copy, modify, and distribute this software and its 16 documentation for any purpose and without fee is hereby granted, 17 provided that the above copyright notice appear in all copies and that 18 both that copyright notice and this permission notice appear in 19 supporting documentation, and that the name of IBM not be 20 used in advertising or publicity pertaining to distribution of the 21 software without specific, written prior permission. 22 23 IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 24 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 25 IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 26 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 27 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 28 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 29 SOFTWARE. 30 31 ******************************************************************/ 32 33 /* 34 * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison 35 */ 36 /* $Header: cons_pcb.h,v 4.2 88/06/29 14:59:08 hagens Exp $ */ 37 /* $Source: /usr/argo/sys/netiso/RCS/cons_pcb.h,v $ */ 38 39 /* 40 * protocol control block for the connection oriented network service 41 */ 42 43 /* 44 * legit port #s for cons "transport" are 0..23 for su users only, and 45 * 1024..1099 for public users 46 */ 47 #define X25_SBSIZE 512 48 #define X25_PORT_RESERVED 24 49 #define X25_PORT_USERMAX 1099 50 #define X25_FACIL_LEN_MAX 109 51 #define X25_PARTIAL_PKT_LEN_MAX (MLEN - sizeof(struct cons_pcb)) 52 53 #ifndef ARGO_DEBUG 54 #define X25_TTL 600 /* 5 min */ 55 #else /* ARGO_DEBUG */ 56 #define X25_TTL 120 /* 1 min */ 57 #endif /* ARGO_DEBUG */ 58 59 struct cons_pcb { 60 struct isopcb _co_isopcb; 61 #define co_next _co_isopcb.isop_next 62 /* prev used for netstat only */ 63 #define co_prev _co_isopcb.isop_prev 64 #define co_head _co_isopcb.isop_head 65 #define co_laddr _co_isopcb.isop_laddr 66 #define co_faddr _co_isopcb.isop_faddr 67 #define co_lport _co_isopcb.isop_laddr.siso_tsuffix 68 #define co_fport _co_isopcb.isop_faddr.siso_tsuffix 69 #define co_route _co_isopcb.isop_route 70 #define co_socket _co_isopcb.isop_socket 71 #define co_chanmask _co_isopcb.isop_chanmask 72 #define co_negchanmask _co_isopcb.isop_negchanmask 73 #define co_x25crud _co_isopcb.isop_x25crud 74 #define co_x25crud_len _co_isopcb.isop_x25crud_len 75 u_short co_state; 76 u_char co_flags; 77 u_short co_ttl; /* time to live timer */ 78 u_short co_init_ttl; /* initial value of ttl */ 79 int co_channel; /* logical channel */ 80 struct ifnet * co_ifp; /* interface */ 81 struct protosw *co_proto; 82 83 struct ifqueue co_pending; /* queue data to send when connection 84 completes*/ 85 #define MAX_DTE_LEN 0x7 /* 17 bcd digits */ 86 struct dte_addr co_peer_dte; 87 struct cons_pcb *co_myself; /* DEBUGGING AID */ 88 }; 89 90 /* 91 * X.25 Packet types 92 */ 93 #define XPKT_DATA 1 94 #define XPKT_INTERRUPT 2 95 #define XPKT_FLOWCONTROL 3 /* not delivered? */ 96 97 /* 98 * pcb xtates 99 */ 100 101 #define CLOSED 0x0 102 #define LISTENING 0x1 103 #define CLOSING 0x2 104 /* USABLE STATES MUST BE LAST */ 105 #define CONNECTING 0x3 106 #define ACKWAIT 0x4 107 #define OPEN 0x5 108 #define MIN_USABLE_STATE CONNECTING 109 110 #define cons_NSTATES 0x6 111 112 113 /* type */ 114 #define CONSF_OCRE 0x40 /* created on OUTPUT */ 115 #define CONSF_ICRE 0x20 /* created on INPUT */ 116 #define CONSF_unused 0x10 /* not used */ 117 #define CONSF_unused2 0x08 /* not used */ 118 #define CONSF_DGM 0x04 /* for dgm use only */ 119 #define CONSF_XTS 0x02 /* for cons-as-transport-service */ 120 #define CONSF_LOOPBACK 0x01 /* loopback was on when connection commenced */ 121 122 #define X_NOCHANNEL 0x80 123 124 125 struct cons_stat { 126 u_int co_intr; /* input from eicon board */ 127 u_int co_restart; /* ecn_restart() request issued to board */ 128 u_int co_slowtimo; /* times slowtimo called */ 129 u_int co_timedout; /* connections closed by slowtimo */ 130 u_int co_ack; /* ECN_ACK indication came from eicon board */ 131 u_int co_receive; /* ECN_RECEIVE indication came from eicon board */ 132 u_int co_send; /* ECN_SEND request issued to board */ 133 u_int co_reset_in; /* ECN_RESET indication came from eicon board */ 134 u_int co_reset_out; /* ECN_RESET issued to the eicon board */ 135 u_int co_clear_in; /* ECN_CLEAR indication came from eicon board */ 136 u_int co_clear_out; /* ECN_CLEAR request issued to board */ 137 u_int co_refuse; /* ECN_REFUSE indication came from eicon board */ 138 u_int co_accept; /* ECN_ACCEPT indication came from eicon board */ 139 u_int co_connect; /* ECN_CONNECT indication came from eicon board */ 140 u_int co_call; /* ECN_CALL request issued to board */ 141 u_int co_Rdrops; /* bad pkt came from ll */ 142 u_int co_Xdrops; /* can't keep up */ 143 144 u_int co_intrpt_pkts_in; /* interrupt packets in */ 145 u_int co_avg_qlen; 146 u_int co_avg_qdrop; 147 u_int co_active; 148 149 u_int co_noresources; 150 u_int co_parse_facil_err; 151 u_int co_addr_proto_consist_err; 152 u_int co_no_copcb; 153 } cons_stat; 154 155 u_char x25_error_stats[CONL_ERROR_MAX + 1]; 156 157 struct ifqueue consintrq; 158 159 /* reasons for clear are in a data mbuf chained to a clear ecn_request */ 160 struct e_clear_data { 161 u_char ecd_cause; 162 u_char ecd_diagnostic; 163 }; 164 165 #ifdef KERNEL 166 #define IncStat(XYZ) cons_stat.XYZ++ 167 #endif /* KERNEL */ 168