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15637ed4 RG |
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 | * | |
43371f85 | 33 | * from: @(#)tp_param.h 7.8 (Berkeley) 6/27/91 |
fde1aeb2 | 34 | * $Id: tp_param.h,v 1.3 1993/11/07 17:49:55 wollman Exp $ |
15637ed4 RG |
35 | */ |
36 | ||
37 | /*********************************************************** | |
38 | Copyright IBM Corporation 1987 | |
39 | ||
40 | All Rights Reserved | |
41 | ||
42 | Permission to use, copy, modify, and distribute this software and its | |
43 | documentation for any purpose and without fee is hereby granted, | |
44 | provided that the above copyright notice appear in all copies and that | |
45 | both that copyright notice and this permission notice appear in | |
46 | supporting documentation, and that the name of IBM not be | |
47 | used in advertising or publicity pertaining to distribution of the | |
48 | software without specific, written prior permission. | |
49 | ||
50 | IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |
51 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |
52 | IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |
53 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
54 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |
55 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |
56 | SOFTWARE. | |
57 | ||
58 | ******************************************************************/ | |
59 | ||
60 | /* | |
61 | * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison | |
62 | */ | |
43371f85 | 63 | |
15637ed4 RG |
64 | /* |
65 | * ARGO TP | |
15637ed4 RG |
66 | */ |
67 | ||
68 | #ifndef __TP_PARAM__ | |
69 | #define __TP_PARAM__ | |
70 | ||
71 | ||
72 | /****************************************************** | |
73 | * compile time parameters that can be changed | |
74 | *****************************************************/ | |
75 | ||
76 | #define TP_CLASSES_IMPLEMENTED 0x11 /* zero and 4 */ | |
77 | ||
78 | #define TP_DECBIT_CLEAR_COUNT 3 | |
79 | ||
80 | /*#define N_TPREF 100 */ | |
81 | #ifdef KERNEL | |
82 | extern int N_TPREF; | |
83 | #endif | |
84 | ||
85 | #define TP_SOCKBUFSIZE ((u_long)4096) | |
86 | #define TP0_SOCKBUFSIZE ((u_long)512) | |
87 | #define MAX_TSAP_SEL_LEN 64 | |
88 | ||
89 | /* maximum tpdu size we'll accept: */ | |
90 | #define TP_TPDUSIZE 0xc /* 4096 octets for classes 1-4*/ | |
91 | #define TP0_TPDUSIZE 0xb /* 2048 octets for class 0 */ | |
92 | #define TP_DFL_TPDUSIZE 0x7 /* 128 octets default */ | |
93 | /* NOTE: don't ever negotiate 8192 because could get | |
94 | * wraparound in checksumming | |
95 | * (No mtu is likely to be larger than 4K anyway...) | |
96 | */ | |
97 | #define TP_NRETRANS 5 /* was 1; cray uses 6 */ | |
98 | #define TP_MAXPORT 0xefff | |
99 | ||
100 | #define TP_RTT_NUM 0x7 | |
101 | /* ALPHA: to be used in the context: gain= 1/(2**alpha), or | |
102 | * put another way, gaintimes(x) (x)>>alpha (forgetting the case alpha==0) | |
103 | */ | |
104 | #define TP_RTT_ALPHA 3 | |
105 | #define TP_RTV_ALPHA 2 | |
106 | ||
107 | /* | |
108 | * not sure how to treat data on disconnect | |
109 | */ | |
110 | #define T_CONN_DATA 0x1 | |
111 | #define T_DISCONNECT 0x2 | |
112 | #define T_DISC_DATA 0x4 | |
113 | #define T_XDATA 0x8 | |
114 | ||
115 | #define ISO_CLNS 0 | |
116 | #define IN_CLNS 1 | |
117 | #define ISO_CONS 2 | |
118 | #define ISO_COSNS 3 | |
119 | #define TP_MAX_NETSERVICES 3 | |
120 | ||
121 | /* Indices into tp stats ackreason[i] */ | |
122 | #define _ACK_DONT_ 0 | |
123 | #define _ACK_STRAT_EACH_ 0x1 | |
124 | #define _ACK_STRAT_FULLWIN_ 0x2 | |
125 | #define _ACK_DUP_ 0x3 | |
126 | #define _ACK_EOT_ 0x4 | |
127 | #define _ACK_REORDER_ 0x5 | |
128 | #define _ACK_USRRCV_ 0x6 | |
129 | #define _ACK_FCC_ 0x7 | |
130 | #define _ACK_NUM_REASONS_ 0x8 | |
131 | ||
132 | /* masks for use in tp_stash() */ | |
133 | #define ACK_DONT 0 | |
134 | #define ACK_STRAT_EACH (1<< _ACK_STRAT_EACH_) | |
135 | #define ACK_STRAT_FULLWIN (1<< _ACK_STRAT_FULLWIN_) | |
136 | #define ACK_DUP (1<< _ACK_DUP_) | |
137 | #define ACK_EOT (1<< _ACK_EOT_) | |
138 | #define ACK_REORDER (1<< _ACK_REORDER_) | |
139 | ||
140 | /****************************************************** | |
141 | * constants used in the protocol | |
142 | *****************************************************/ | |
143 | ||
144 | #define TP_VERSION 0x1 | |
145 | ||
146 | #define TP_MAX_HEADER_LEN 256 | |
147 | ||
148 | #define TP_MIN_TPDUSIZE 0x7 /* 128 octets */ | |
149 | #define TP_MAX_TPDUSIZE 0xd /* 8192 octets */ | |
150 | ||
151 | #define TP_MAX_XPD_DATA 0x10 /* 16 octets */ | |
152 | #define TP_MAX_CC_DATA 0x20 /* 32 octets */ | |
153 | #define TP_MAX_CR_DATA TP_MAX_CC_DATA | |
154 | #define TP_MAX_DR_DATA 0x40 /* 64 octets */ | |
155 | ||
fde1aeb2 GW |
156 | #define TP_XTD_FMT_BIT 0x80000000ul |
157 | #define TP_XTD_FMT_MASK 0x7ffffffful | |
15637ed4 RG |
158 | #define TP_NML_FMT_BIT 0x80 |
159 | #define TP_NML_FMT_MASK 0x7f | |
160 | ||
161 | /* | |
162 | * values for the tpdu_type field, 2nd byte in a tpdu | |
163 | */ | |
164 | ||
165 | #define TP_MIN_TPDUTYPE 0x1 | |
166 | ||
167 | #define XPD_TPDU_type 0x1 | |
168 | #define XAK_TPDU_type 0x2 | |
169 | #define GR_TPDU_type 0x3 | |
170 | #define AK_TPDU_type 0x6 | |
171 | #define ER_TPDU_type 0x7 | |
172 | #define DR_TPDU_type 0x8 | |
173 | #define DC_TPDU_type 0xc | |
174 | #define CC_TPDU_type 0xd | |
175 | #define CR_TPDU_type 0xe | |
176 | #define DT_TPDU_type 0xf | |
177 | ||
178 | #define TP_MAX_TPDUTYPE 0xf | |
179 | ||
180 | /* | |
181 | * identifiers for the variable-length options in tpdus | |
182 | */ | |
183 | ||
184 | #define TPP_acktime 0x85 | |
185 | #define TPP_residER 0x86 | |
186 | #define TPP_priority 0x87 | |
187 | #define TPP_transdelay 0x88 | |
188 | #define TPP_throughput 0x89 | |
189 | #define TPP_subseq 0x8a | |
190 | #define TPP_flow_cntl_conf 0x8c /* not implemented */ | |
191 | #define TPP_addl_info 0xe0 | |
192 | #define TPP_tpdu_size 0xc0 | |
193 | #define TPP_calling_sufx 0xc1 | |
194 | #define TPP_invalid_tpdu 0xc1 /* the bozos used a value twice */ | |
195 | #define TPP_called_sufx 0xc2 | |
196 | #define TPP_checksum 0xc3 | |
197 | #define TPP_vers 0xc4 | |
198 | #define TPP_security 0xc5 | |
199 | #define TPP_addl_opt 0xc6 | |
200 | #define TPP_alt_class 0xc7 | |
201 | #define TPP_perf_meas 0xc8 /* local item : perf meas on, svp */ | |
202 | ||
203 | /****************************************************** | |
204 | * Some fundamental data types | |
205 | *****************************************************/ | |
206 | #ifndef TRUE | |
207 | #define TRUE 1 | |
208 | #endif TRUE | |
209 | ||
210 | #ifndef FALSE | |
211 | #define FALSE 0 | |
212 | #endif FALSE | |
213 | ||
214 | #define TP_LOCAL 22 | |
215 | #define TP_FOREIGN 33 | |
216 | ||
217 | #ifndef EOK | |
218 | #define EOK 0 | |
219 | #endif EOK | |
220 | ||
221 | #define TP_CLASS_0 (1<<0) | |
222 | #define TP_CLASS_1 (1<<1) | |
223 | #define TP_CLASS_2 (1<<2) | |
224 | #define TP_CLASS_3 (1<<3) | |
225 | #define TP_CLASS_4 (1<<4) | |
226 | ||
227 | #define TP_FORCE 0x1 | |
228 | #define TP_STRICT 0x2 | |
229 | ||
230 | #ifndef MNULL | |
231 | #define MNULL (struct mbuf *)0 | |
232 | #endif MNULL | |
233 | /* if ../sys/mbuf.h gets MT_types up to 0x40, these will | |
234 | * have to be changed: | |
235 | */ | |
236 | #define MT_XPD 0x44 | |
237 | #define MT_EOT 0x40 | |
238 | ||
fde1aeb2 | 239 | #define TP_ENOREF 0x80000000ul |
15637ed4 RG |
240 | |
241 | typedef unsigned int SeqNum; | |
242 | typedef unsigned short RefNum; | |
243 | typedef int ProtoHook; | |
244 | ||
245 | ||
246 | /****************************************************** | |
247 | * Some fundamental constants | |
248 | *****************************************************/ | |
249 | ||
250 | #define TP_MIN_WIN 2048 | |
251 | #define TP_MAX_WIN 16384 | |
252 | #define TP_MAX_WIN_UNPRIV 8192 | |
253 | ||
254 | /****************************************************** | |
255 | * Macro used all over, for driver | |
256 | *****************************************************/ | |
257 | ||
258 | #define DoEvent(x) \ | |
259 | ((E.ev_number=(x)),(tp_driver(tpcb,&E))) | |
260 | ||
261 | /****************************************************** | |
262 | * Some macros used all over, for timestamping | |
263 | *****************************************************/ | |
264 | ||
265 | #define GET_CUR_TIME(tvalp) ((*tvalp) = time) | |
266 | ||
267 | #define GET_TIME_SINCE(oldtvalp, diffp) {\ | |
268 | (diffp)->tv_sec = time.tv_sec - (oldtvalp)->tv_sec;\ | |
269 | (diffp)->tv_usec = time.tv_usec - (oldtvalp)->tv_usec;\ | |
270 | if( (diffp)->tv_usec <0 ) {\ | |
271 | (diffp)->tv_sec --;\ | |
272 | (diffp)->tv_usec = 1000000 - (diffp)->tv_usec;\ | |
273 | }\ | |
274 | } | |
275 | ||
276 | /****************************************************** | |
277 | * Some macros used for address families | |
278 | *****************************************************/ | |
279 | ||
280 | #define satosiso(ADDR) ((struct sockaddr_iso *)(ADDR)) | |
281 | #define satosin(ADDR) ((struct sockaddr_in *)(ADDR)) | |
282 | ||
283 | /****************************************************** | |
284 | * Macro used for changing types of mbufs | |
285 | *****************************************************/ | |
286 | ||
287 | #define CHANGE_MTYPE(m, TYPE)\ | |
288 | if((m)->m_type != TYPE) { \ | |
289 | mbstat.m_mtypes[(m)->m_type]--; mbstat.m_mtypes[TYPE]++; \ | |
290 | (m)->m_type = TYPE; \ | |
291 | } | |
292 | ||
293 | /****************************************************** | |
294 | * Macros used for adding options to a tpdu header and for | |
295 | * parsing the headers. | |
296 | * Options are variable-length and must be bcopy-d because on the | |
297 | * RT your assignments must be N-word aligned for objects of length | |
298 | * N. Such a drag. | |
299 | *****************************************************/ | |
300 | ||
301 | struct tp_vbp { | |
302 | u_char tpv_code; | |
303 | char tpv_len; | |
304 | char tpv_val; | |
305 | }; | |
306 | #define vbptr(x) ((struct tp_vbp *)(x)) | |
307 | #define vbval(x,type) (*((type *)&(((struct tp_vbp *)(x))->tpv_val))) | |
308 | #define vbcode(x) (vbptr(x)->tpv_code) | |
309 | #define vblen(x) (vbptr(x)->tpv_len) | |
310 | ||
311 | #define vb_putval(dst,type,src)\ | |
312 | bcopy((caddr_t)&(src),(caddr_t)&(((struct tp_vbp *)(dst))->tpv_val),\ | |
313 | sizeof(type)) | |
314 | ||
315 | #define vb_getval(src,type,dst)\ | |
316 | bcopy((caddr_t)&(((struct tp_vbp *)(src))->tpv_val),(caddr_t)&(dst),sizeof(type)) | |
317 | ||
318 | #define ADDOPTION(type, DU, len, src)\ | |
319 | { register caddr_t P;\ | |
320 | P = (caddr_t)(DU) + (int)((DU)->tpdu_li);\ | |
321 | vbptr(P)->tpv_code = type;\ | |
322 | vbptr(P)->tpv_len = len;\ | |
323 | bcopy((caddr_t)&src, (caddr_t)&(vbptr(P)->tpv_val), (unsigned)len);\ | |
324 | DU->tpdu_li += len+2;/* 1 for code, 1 for length */\ | |
325 | } | |
326 | /****************************************************** | |
327 | * Macro for the local credit: | |
328 | * uses max transmission unit for the ll | |
329 | * (as modified by the max TPDU size negotiated) | |
330 | *****************************************************/ | |
331 | ||
332 | #if defined(ARGO_DEBUG)&&!defined(LOCAL_CREDIT_EXPAND) | |
333 | #define LOCAL_CREDIT(tpcb) tp_local_credit(tpcb) | |
334 | #else | |
335 | #define LOCAL_CREDIT( tpcb ) {\ | |
336 | register struct sockbuf *xxsb = &((tpcb)->tp_sock->so_rcv);\ | |
337 | register int xxi = ((xxsb)->sb_hiwat-(xxsb)->sb_cc);\ | |
338 | register int maxcredit = ((tpcb)->tp_xtd_format?0xffff:0xf);\ | |
339 | xxi = (xxi<0) ? 0 : ((xxi)>>(tpcb)->tp_tpdusize);\ | |
340 | xxi = MIN(xxi, maxcredit); \ | |
341 | if (!(tpcb->tp_cebit_off)) { \ | |
342 | (tpcb)->tp_lcredit = ROUND((tpcb)->tp_win_recv); \ | |
343 | if (xxi < (tpcb)->tp_lcredit) { \ | |
344 | (tpcb)->tp_lcredit = xxi; \ | |
345 | } \ | |
346 | } \ | |
347 | else { \ | |
348 | (tpcb)->tp_lcredit = xxi; \ | |
349 | } \ | |
350 | } | |
8ace4366 | 351 | #endif /* ARGO_DEBUG */ |
15637ed4 RG |
352 | |
353 | #ifdef KERNEL | |
354 | ||
355 | #ifndef tp_NSTATES | |
356 | ||
357 | #include "tp_states.h" | |
358 | #include "tp_events.h" | |
359 | #if defined(__STDC__) || defined(__cplusplus) | |
360 | #undef ATTR | |
361 | #define ATTR(X) ev_union.EV_ ## X | |
362 | #endif /* defined(__STDC__) || defined(__cplusplus) */ | |
363 | ||
8ace4366 GW |
364 | #endif /* tp_NSTATES */ |
365 | #endif /* KERNEL */ | |
15637ed4 | 366 | |
8ace4366 | 367 | #endif /* __TP_PARAM__ */ |