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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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