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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: * @(#)tp_param.h 7.8 (Berkeley) 6/27/91
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: /*
63: * ARGO TP
64: *
65: * $Header: tp_param.h,v 5.3 88/11/18 17:28:18 nhall Exp $
66: * $Source: /usr/argo/sys/netiso/RCS/tp_param.h,v $
67: *
68: */
69:
70: #ifndef __TP_PARAM__
71: #define __TP_PARAM__
72:
73:
74: /******************************************************
75: * compile time parameters that can be changed
76: *****************************************************/
77:
78: #define TP_CLASSES_IMPLEMENTED 0x11 /* zero and 4 */
79:
80: #define TP_DECBIT_CLEAR_COUNT 3
81:
82: /*#define N_TPREF 100 */
83: #ifdef KERNEL
84: extern int N_TPREF;
85: #endif
86:
87: #define TP_SOCKBUFSIZE ((u_long)4096)
88: #define TP0_SOCKBUFSIZE ((u_long)512)
89: #define MAX_TSAP_SEL_LEN 64
90:
91: /* maximum tpdu size we'll accept: */
92: #define TP_TPDUSIZE 0xc /* 4096 octets for classes 1-4*/
93: #define TP0_TPDUSIZE 0xb /* 2048 octets for class 0 */
94: #define TP_DFL_TPDUSIZE 0x7 /* 128 octets default */
95: /* NOTE: don't ever negotiate 8192 because could get
96: * wraparound in checksumming
97: * (No mtu is likely to be larger than 4K anyway...)
98: */
99: #define TP_NRETRANS 5 /* was 1; cray uses 6 */
100: #define TP_MAXPORT 0xefff
101:
102: #define TP_RTT_NUM 0x7
103: /* ALPHA: to be used in the context: gain= 1/(2**alpha), or
104: * put another way, gaintimes(x) (x)>>alpha (forgetting the case alpha==0)
105: */
106: #define TP_RTT_ALPHA 3
107: #define TP_RTV_ALPHA 2
108:
109: /*
110: * not sure how to treat data on disconnect
111: */
112: #define T_CONN_DATA 0x1
113: #define T_DISCONNECT 0x2
114: #define T_DISC_DATA 0x4
115: #define T_XDATA 0x8
116:
117: #define ISO_CLNS 0
118: #define IN_CLNS 1
119: #define ISO_CONS 2
120: #define ISO_COSNS 3
121: #define TP_MAX_NETSERVICES 3
122:
123: /* Indices into tp stats ackreason[i] */
124: #define _ACK_DONT_ 0
125: #define _ACK_STRAT_EACH_ 0x1
126: #define _ACK_STRAT_FULLWIN_ 0x2
127: #define _ACK_DUP_ 0x3
128: #define _ACK_EOT_ 0x4
129: #define _ACK_REORDER_ 0x5
130: #define _ACK_USRRCV_ 0x6
131: #define _ACK_FCC_ 0x7
132: #define _ACK_NUM_REASONS_ 0x8
133:
134: /* masks for use in tp_stash() */
135: #define ACK_DONT 0
136: #define ACK_STRAT_EACH (1<< _ACK_STRAT_EACH_)
137: #define ACK_STRAT_FULLWIN (1<< _ACK_STRAT_FULLWIN_)
138: #define ACK_DUP (1<< _ACK_DUP_)
139: #define ACK_EOT (1<< _ACK_EOT_)
140: #define ACK_REORDER (1<< _ACK_REORDER_)
141:
142: /******************************************************
143: * constants used in the protocol
144: *****************************************************/
145:
146: #define TP_VERSION 0x1
147:
148: #define TP_MAX_HEADER_LEN 256
149:
150: #define TP_MIN_TPDUSIZE 0x7 /* 128 octets */
151: #define TP_MAX_TPDUSIZE 0xd /* 8192 octets */
152:
153: #define TP_MAX_XPD_DATA 0x10 /* 16 octets */
154: #define TP_MAX_CC_DATA 0x20 /* 32 octets */
155: #define TP_MAX_CR_DATA TP_MAX_CC_DATA
156: #define TP_MAX_DR_DATA 0x40 /* 64 octets */
157:
158: #define TP_XTD_FMT_BIT 0x80000000
159: #define TP_XTD_FMT_MASK 0x7fffffff
160: #define TP_NML_FMT_BIT 0x80
161: #define TP_NML_FMT_MASK 0x7f
162:
163: /*
164: * values for the tpdu_type field, 2nd byte in a tpdu
165: */
166:
167: #define TP_MIN_TPDUTYPE 0x1
168:
169: #define XPD_TPDU_type 0x1
170: #define XAK_TPDU_type 0x2
171: #define GR_TPDU_type 0x3
172: #define AK_TPDU_type 0x6
173: #define ER_TPDU_type 0x7
174: #define DR_TPDU_type 0x8
175: #define DC_TPDU_type 0xc
176: #define CC_TPDU_type 0xd
177: #define CR_TPDU_type 0xe
178: #define DT_TPDU_type 0xf
179:
180: #define TP_MAX_TPDUTYPE 0xf
181:
182: /*
183: * identifiers for the variable-length options in tpdus
184: */
185:
186: #define TPP_acktime 0x85
187: #define TPP_residER 0x86
188: #define TPP_priority 0x87
189: #define TPP_transdelay 0x88
190: #define TPP_throughput 0x89
191: #define TPP_subseq 0x8a
192: #define TPP_flow_cntl_conf 0x8c /* not implemented */
193: #define TPP_addl_info 0xe0
194: #define TPP_tpdu_size 0xc0
195: #define TPP_calling_sufx 0xc1
196: #define TPP_invalid_tpdu 0xc1 /* the bozos used a value twice */
197: #define TPP_called_sufx 0xc2
198: #define TPP_checksum 0xc3
199: #define TPP_vers 0xc4
200: #define TPP_security 0xc5
201: #define TPP_addl_opt 0xc6
202: #define TPP_alt_class 0xc7
203: #define TPP_perf_meas 0xc8 /* local item : perf meas on, svp */
204:
205: /******************************************************
206: * Some fundamental data types
207: *****************************************************/
208: #ifndef TRUE
209: #define TRUE 1
210: #endif TRUE
211:
212: #ifndef FALSE
213: #define FALSE 0
214: #endif FALSE
215:
216: #define TP_LOCAL 22
217: #define TP_FOREIGN 33
218:
219: #ifndef EOK
220: #define EOK 0
221: #endif EOK
222:
223: #define TP_CLASS_0 (1<<0)
224: #define TP_CLASS_1 (1<<1)
225: #define TP_CLASS_2 (1<<2)
226: #define TP_CLASS_3 (1<<3)
227: #define TP_CLASS_4 (1<<4)
228:
229: #define TP_FORCE 0x1
230: #define TP_STRICT 0x2
231:
232: #ifndef MNULL
233: #define MNULL (struct mbuf *)0
234: #endif MNULL
235: /* if ../sys/mbuf.h gets MT_types up to 0x40, these will
236: * have to be changed:
237: */
238: #define MT_XPD 0x44
239: #define MT_EOT 0x40
240:
241: #define TP_ENOREF 0x80000000
242:
243: typedef unsigned int SeqNum;
244: typedef unsigned short RefNum;
245: typedef int ProtoHook;
246:
247:
248: /******************************************************
249: * Some fundamental constants
250: *****************************************************/
251:
252: #define TP_MIN_WIN 2048
253: #define TP_MAX_WIN 16384
254: #define TP_MAX_WIN_UNPRIV 8192
255:
256: /******************************************************
257: * Macro used all over, for driver
258: *****************************************************/
259:
260: #define DoEvent(x) \
261: ((E.ev_number=(x)),(tp_driver(tpcb,&E)))
262:
263: /******************************************************
264: * Some macros used all over, for timestamping
265: *****************************************************/
266:
267: #define GET_CUR_TIME(tvalp) ((*tvalp) = time)
268:
269: #define GET_TIME_SINCE(oldtvalp, diffp) {\
270: (diffp)->tv_sec = time.tv_sec - (oldtvalp)->tv_sec;\
271: (diffp)->tv_usec = time.tv_usec - (oldtvalp)->tv_usec;\
272: if( (diffp)->tv_usec <0 ) {\
273: (diffp)->tv_sec --;\
274: (diffp)->tv_usec = 1000000 - (diffp)->tv_usec;\
275: }\
276: }
277:
278: /******************************************************
279: * Some macros used for address families
280: *****************************************************/
281:
282: #define satosiso(ADDR) ((struct sockaddr_iso *)(ADDR))
283: #define satosin(ADDR) ((struct sockaddr_in *)(ADDR))
284:
285: /******************************************************
286: * Macro used for changing types of mbufs
287: *****************************************************/
288:
289: #define CHANGE_MTYPE(m, TYPE)\
290: if((m)->m_type != TYPE) { \
291: mbstat.m_mtypes[(m)->m_type]--; mbstat.m_mtypes[TYPE]++; \
292: (m)->m_type = TYPE; \
293: }
294:
295: /******************************************************
296: * Macros used for adding options to a tpdu header and for
297: * parsing the headers.
298: * Options are variable-length and must be bcopy-d because on the
299: * RT your assignments must be N-word aligned for objects of length
300: * N. Such a drag.
301: *****************************************************/
302:
303: struct tp_vbp {
304: u_char tpv_code;
305: char tpv_len;
306: char tpv_val;
307: };
308: #define vbptr(x) ((struct tp_vbp *)(x))
309: #define vbval(x,type) (*((type *)&(((struct tp_vbp *)(x))->tpv_val)))
310: #define vbcode(x) (vbptr(x)->tpv_code)
311: #define vblen(x) (vbptr(x)->tpv_len)
312:
313: #define vb_putval(dst,type,src)\
314: bcopy((caddr_t)&(src),(caddr_t)&(((struct tp_vbp *)(dst))->tpv_val),\
315: sizeof(type))
316:
317: #define vb_getval(src,type,dst)\
318: bcopy((caddr_t)&(((struct tp_vbp *)(src))->tpv_val),(caddr_t)&(dst),sizeof(type))
319:
320: #define ADDOPTION(type, DU, len, src)\
321: { register caddr_t P;\
322: P = (caddr_t)(DU) + (int)((DU)->tpdu_li);\
323: vbptr(P)->tpv_code = type;\
324: vbptr(P)->tpv_len = len;\
325: bcopy((caddr_t)&src, (caddr_t)&(vbptr(P)->tpv_val), (unsigned)len);\
326: DU->tpdu_li += len+2;/* 1 for code, 1 for length */\
327: }
328: /******************************************************
329: * Macro for the local credit:
330: * uses max transmission unit for the ll
331: * (as modified by the max TPDU size negotiated)
332: *****************************************************/
333:
334: #if defined(ARGO_DEBUG)&&!defined(LOCAL_CREDIT_EXPAND)
335: #define LOCAL_CREDIT(tpcb) tp_local_credit(tpcb)
336: #else
337: #define LOCAL_CREDIT( tpcb ) {\
338: register struct sockbuf *xxsb = &((tpcb)->tp_sock->so_rcv);\
339: register int xxi = ((xxsb)->sb_hiwat-(xxsb)->sb_cc);\
340: register int maxcredit = ((tpcb)->tp_xtd_format?0xffff:0xf);\
341: xxi = (xxi<0) ? 0 : ((xxi)>>(tpcb)->tp_tpdusize);\
342: xxi = MIN(xxi, maxcredit); \
343: if (!(tpcb->tp_cebit_off)) { \
344: (tpcb)->tp_lcredit = ROUND((tpcb)->tp_win_recv); \
345: if (xxi < (tpcb)->tp_lcredit) { \
346: (tpcb)->tp_lcredit = xxi; \
347: } \
348: } \
349: else { \
350: (tpcb)->tp_lcredit = xxi; \
351: } \
352: }
353: #endif ARGO_DEBUG
354:
355: #ifdef KERNEL
356:
357: #ifndef tp_NSTATES
358:
359: #include "tp_states.h"
360: #include "tp_events.h"
361: #if defined(__STDC__) || defined(__cplusplus)
362: #undef ATTR
363: #define ATTR(X) ev_union.EV_ ## X
364: #endif /* defined(__STDC__) || defined(__cplusplus) */
365:
366: #endif tp_NSTATES
367: #endif KERNEL
368:
369: #endif __TP_PARAM__
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