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 30 /* 31 * protocol control block for the connection oriented network service 32 */ 33 34 /* 35 * legit port #s for cons "transport" are 0..23 for su users only, and 36 * 1024..1099 for public users 37 */ 38 #define X25_SBSIZE 512 39 #define X25_PORT_RESERVED 24 40 #define X25_PORT_USERMAX 1099 41 #define X25_FACIL_LEN_MAX 109 42 #define X25_PARTIAL_PKT_LEN_MAX (MLEN - sizeof(struct cons_pcb)) 43 44 #ifndef ARGO_DEBUG 45 #define X25_TTL 600 /* 5 min */ 46 #else ARGO_DEBUG 47 #define X25_TTL 120 /* 1 min */ 48 #endif ARGO_DEBUG 49 50 struct cons_pcb { 51 struct isopcb _co_isopcb; 52 #define co_next _co_isopcb.isop_next 53 /* prev used for netstat only */ 54 #define co_prev _co_isopcb.isop_prev 55 #define co_head _co_isopcb.isop_head 56 #define co_laddr _co_isopcb.isop_laddr 57 #define co_faddr _co_isopcb.isop_faddr 58 #define co_lport _co_isopcb.isop_laddr.siso_tsuffix 59 #define co_fport _co_isopcb.isop_faddr.siso_tsuffix 60 #define co_route _co_isopcb.isop_route 61 #define co_socket _co_isopcb.isop_socket 62 #define co_chanmask _co_isopcb.isop_chanmask 63 #define co_negchanmask _co_isopcb.isop_negchanmask 64 #define co_x25crud _co_isopcb.isop_x25crud 65 #define co_x25crud_len _co_isopcb.isop_x25crud_len 66 u_short co_state; 67 u_char co_flags; 68 u_short co_ttl; /* time to live timer */ 69 u_short co_init_ttl; /* initial value of ttl */ 70 int co_channel; /* logical channel */ 71 struct ifnet * co_ifp; /* interface */ 72 struct protosw *co_proto; 73 74 struct ifqueue co_pending; /* queue data to send when connection 75 completes*/ 76 #define MAX_DTE_LEN 0x7 /* 17 bcd digits */ 77 struct dte_addr co_peer_dte; 78 struct cons_pcb *co_myself; /* DEBUGGING AID */ 79 }; 80 81 /* 82 * X.25 Packet types 83 */ 84 #define XPKT_DATA 1 85 #define XPKT_INTERRUPT 2 86 #define XPKT_FLOWCONTROL 3 /* not delivered? */ 87 88 /* 89 * pcb xtates 90 */ 91 92 #define CLOSED 0x0 93 #define LISTENING 0x1 94 #define CLOSING 0x2 95 /* USABLE STATES MUST BE LAST */ 96 #define CONNECTING 0x3 97 #define ACKWAIT 0x4 98 #define OPEN 0x5 99 #define MIN_USABLE_STATE CONNECTING 100 101 #define cons_NSTATES 0x6 102 103 104 /* type */ 105 #define CONSF_OCRE 0x40 /* created on OUTPUT */ 106 #define CONSF_ICRE 0x20 /* created on INPUT */ 107 #define CONSF_unused 0x10 /* not used */ 108 #define CONSF_unused2 0x08 /* not used */ 109 #define CONSF_DGM 0x04 /* for dgm use only */ 110 #define CONSF_XTS 0x02 /* for cons-as-transport-service */ 111 #define CONSF_LOOPBACK 0x01 /* loopback was on when connection commenced */ 112 113 #define X_NOCHANNEL 0x80 114 115 116 struct cons_stat { 117 u_int co_intr; /* input from eicon board */ 118 u_int co_restart; /* ecn_restart() request issued to board */ 119 u_int co_slowtimo; /* times slowtimo called */ 120 u_int co_timedout; /* connections closed by slowtimo */ 121 u_int co_ack; /* ECN_ACK indication came from eicon board */ 122 u_int co_receive; /* ECN_RECEIVE indication came from eicon board */ 123 u_int co_send; /* ECN_SEND request issued to board */ 124 u_int co_reset_in; /* ECN_RESET indication came from eicon board */ 125 u_int co_reset_out; /* ECN_RESET issued to the eicon board */ 126 u_int co_clear_in; /* ECN_CLEAR indication came from eicon board */ 127 u_int co_clear_out; /* ECN_CLEAR request issued to board */ 128 u_int co_refuse; /* ECN_REFUSE indication came from eicon board */ 129 u_int co_accept; /* ECN_ACCEPT indication came from eicon board */ 130 u_int co_connect; /* ECN_CONNECT indication came from eicon board */ 131 u_int co_call; /* ECN_CALL request issued to board */ 132 u_int co_Rdrops; /* bad pkt came from ll */ 133 u_int co_Xdrops; /* can't keep up */ 134 135 u_int co_intrpt_pkts_in; /* interrupt packets in */ 136 u_int co_avg_qlen; 137 u_int co_avg_qdrop; 138 u_int co_active; 139 140 u_int co_noresources; 141 u_int co_parse_facil_err; 142 u_int co_addr_proto_consist_err; 143 u_int co_no_copcb; 144 } cons_stat; 145 146 u_char x25_error_stats[CONL_ERROR_MAX + 1]; 147 148 struct ifqueue consintrq; 149 150 /* reasons for clear are in a data mbuf chained to a clear ecn_request */ 151 struct e_clear_data { 152 u_char ecd_cause; 153 u_char ecd_diagnostic; 154 }; 155 156 #ifdef KERNEL 157 #define IncStat(XYZ) cons_stat.XYZ++ 158 #endif KERNEL 159