1/*-
2 * Copyright (c) 2015
3 * The Regents of the University of California.  All rights reserved.
4 * Michael Tuexen.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 4. Neither the name of the University nor the names of its contributors
15 *    may be used to endorse or promote products derived from this software
16 *    without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD$");
33
34#include <sys/param.h>
35#include <sys/types.h>
36#include <sys/socket.h>
37#include <sys/sysctl.h>
38
39#include <netinet/sctp.h>
40
41#include <stdlib.h>
42#include <string.h>
43
44#include "systat.h"
45#include "extern.h"
46#include "mode.h"
47
48static struct sctpstat curstat, initstat, oldstat;
49
50/*-
51--0         1         2         3         4         5         6         7
52--0123456789012345678901234567890123456789012345678901234567890123456789012345
5300             SCTP Associations                     SCTP Packets
5401999999999999 associations initiated   999999999999 packets sent
5502999999999999 associations accepted    999999999999 packets received
5603999999999999 associations established 999999999999 - out of the blue
5704999999999999 associations restarted   999999999999 - bad vtag
5805999999999999 associations terminated  999999999999 - bad crc32c
5906999999999999 associations aborted
6007
6108             SCTP Timers                           SCTP Chunks
6209999999999999 init timeouts            999999999999 control chunks sent
6310999999999999 cookie timeouts          999999999999 data chunks sent
6411999999999999 data timeouts            999999999999 - ordered
6512999999999999 delayed sack timeouts    999999999999 - unordered
6613999999999999 shutdown timeouts        999999999999 control chunks received
6714999999999999 shutdown-ack timeouts    999999999999 data chunks received
6815999999999999 shutdown guard timeouts  999999999999 - ordered
6916999999999999 heartbeat timeouts       999999999999 - unordered
7017999999999999 path MTU timeouts
7118999999999999 autoclose timeouts                    SCTP user messages
7219999999999999 asconf timeouts          999999999999 fragmented
7320999999999999 stream reset timeouts    999999999999 reassembled
74--0123456789012345678901234567890123456789012345678901234567890123456789012345
75--0         1         2         3         4         5         6         7
76*/
77
78WINDOW *
79opensctp(void)
80{
81	return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
82}
83
84void
85closesctp(WINDOW *w)
86{
87	if (w != NULL) {
88		wclear(w);
89		wrefresh(w);
90		delwin(w);
91	}
92}
93
94void
95labelsctp(void)
96{
97	wmove(wnd, 0, 0); wclrtoeol(wnd);
98#define L(row, str) mvwprintw(wnd, row, 13, str)
99#define R(row, str) mvwprintw(wnd, row, 51, str);
100	L(0, "SCTP Associations");		R(0, "SCTP Packets");
101	L(1, "associations initiated");		R(1, "packets sent");
102	L(2, "associations accepted");		R(2, "packets received");
103	L(3, "associations established");	R(3, "- out of the blue");
104	L(4, "associations restarted");		R(4, "- bad vtag");
105	L(5, "associations terminated");	R(5, "- bad crc32c");
106	L(6, "associations aborted");
107
108	L(8, "SCTP Timers");			R(8, "SCTP Chunks");
109	L(9, "init timeouts");			R(9, "control chunks sent");
110	L(10, "cookie timeouts");		R(10, "data chunks sent");
111	L(11, "data timeouts");			R(11, "- ordered");
112	L(12, "delayed sack timeouts");		R(12, "- unordered");
113	L(13, "shutdown timeouts");		R(13, "control chunks received");
114	L(14, "shutdown-ack timeouts");		R(14, "data chunks received");
115	L(15, "shutdown guard timeouts");	R(15, "- ordered");
116	L(16, "heartbeat timeouts");		R(16, "- unordered");
117	L(17, "path MTU timeouts");
118	L(18, "autoclose timeouts");		R(18, "SCTP User Messages");
119	L(19, "asconf timeouts");		R(19, "fragmented");
120	L(20, "stream reset timeouts");		R(20, "reassembled");
121#undef L
122#undef R
123}
124
125static void
126domode(struct sctpstat *ret)
127{
128	const struct sctpstat *sub;
129	int divisor = 1;
130
131	switch(currentmode) {
132	case display_RATE:
133		sub = &oldstat;
134		divisor = (delay > 1000000) ? delay / 1000000 : 1;
135		break;
136	case display_DELTA:
137		sub = &oldstat;
138		break;
139	case display_SINCE:
140		sub = &initstat;
141		break;
142	default:
143		*ret = curstat;
144		return;
145	}
146#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
147	DO(sctps_currestab);
148	DO(sctps_activeestab);
149	DO(sctps_restartestab);
150	DO(sctps_collisionestab);
151	DO(sctps_passiveestab);
152	DO(sctps_aborted);
153	DO(sctps_shutdown);
154	DO(sctps_outoftheblue);
155	DO(sctps_checksumerrors);
156	DO(sctps_outcontrolchunks);
157	DO(sctps_outorderchunks);
158	DO(sctps_outunorderchunks);
159	DO(sctps_incontrolchunks);
160	DO(sctps_inorderchunks);
161	DO(sctps_inunorderchunks);
162	DO(sctps_fragusrmsgs);
163	DO(sctps_reasmusrmsgs);
164	DO(sctps_outpackets);
165	DO(sctps_inpackets);
166
167	DO(sctps_recvpackets);
168	DO(sctps_recvdatagrams);
169	DO(sctps_recvpktwithdata);
170	DO(sctps_recvsacks);
171	DO(sctps_recvdata);
172	DO(sctps_recvdupdata);
173	DO(sctps_recvheartbeat);
174	DO(sctps_recvheartbeatack);
175	DO(sctps_recvecne);
176	DO(sctps_recvauth);
177	DO(sctps_recvauthmissing);
178	DO(sctps_recvivalhmacid);
179	DO(sctps_recvivalkeyid);
180	DO(sctps_recvauthfailed);
181	DO(sctps_recvexpress);
182	DO(sctps_recvexpressm);
183	DO(sctps_recvnocrc);
184	DO(sctps_recvswcrc);
185	DO(sctps_recvhwcrc);
186
187	DO(sctps_sendpackets);
188	DO(sctps_sendsacks);
189	DO(sctps_senddata);
190	DO(sctps_sendretransdata);
191	DO(sctps_sendfastretrans);
192	DO(sctps_sendmultfastretrans);
193	DO(sctps_sendheartbeat);
194	DO(sctps_sendecne);
195	DO(sctps_sendauth);
196	DO(sctps_senderrors);
197	DO(sctps_sendnocrc);
198	DO(sctps_sendswcrc);
199	DO(sctps_sendhwcrc);
200
201	DO(sctps_pdrpfmbox);
202	DO(sctps_pdrpfehos);
203	DO(sctps_pdrpmbda);
204	DO(sctps_pdrpmbct);
205	DO(sctps_pdrpbwrpt);
206	DO(sctps_pdrpcrupt);
207	DO(sctps_pdrpnedat);
208	DO(sctps_pdrppdbrk);
209	DO(sctps_pdrptsnnf);
210	DO(sctps_pdrpdnfnd);
211	DO(sctps_pdrpdiwnp);
212	DO(sctps_pdrpdizrw);
213	DO(sctps_pdrpbadd);
214	DO(sctps_pdrpmark);
215
216	DO(sctps_timoiterator);
217	DO(sctps_timodata);
218	DO(sctps_timowindowprobe);
219	DO(sctps_timoinit);
220	DO(sctps_timosack);
221	DO(sctps_timoshutdown);
222	DO(sctps_timoheartbeat);
223	DO(sctps_timocookie);
224	DO(sctps_timosecret);
225	DO(sctps_timopathmtu);
226	DO(sctps_timoshutdownack);
227	DO(sctps_timoshutdownguard);
228	DO(sctps_timostrmrst);
229	DO(sctps_timoearlyfr);
230	DO(sctps_timoasconf);
231	DO(sctps_timodelprim);
232	DO(sctps_timoautoclose);
233	DO(sctps_timoassockill);
234	DO(sctps_timoinpkill);
235
236	DO(sctps_hdrops);
237	DO(sctps_badsum);
238	DO(sctps_noport);
239	DO(sctps_badvtag);
240	DO(sctps_badsid);
241	DO(sctps_nomem);
242	DO(sctps_fastretransinrtt);
243	DO(sctps_markedretrans);
244	DO(sctps_naglesent);
245	DO(sctps_naglequeued);
246	DO(sctps_maxburstqueued);
247	DO(sctps_ifnomemqueued);
248	DO(sctps_windowprobed);
249	DO(sctps_lowlevelerr);
250	DO(sctps_lowlevelerrusr);
251	DO(sctps_datadropchklmt);
252	DO(sctps_datadroprwnd);
253	DO(sctps_ecnereducedcwnd);
254	DO(sctps_vtagexpress);
255	DO(sctps_vtagbogus);
256	DO(sctps_primary_randry);
257	DO(sctps_cmt_randry);
258	DO(sctps_slowpath_sack);
259	DO(sctps_wu_sacks_sent);
260	DO(sctps_sends_with_flags);
261	DO(sctps_sends_with_unord);
262	DO(sctps_sends_with_eof);
263	DO(sctps_sends_with_abort);
264	DO(sctps_protocol_drain_calls);
265	DO(sctps_protocol_drains_done);
266	DO(sctps_read_peeks);
267	DO(sctps_cached_chk);
268	DO(sctps_cached_strmoq);
269	DO(sctps_left_abandon);
270	DO(sctps_send_burst_avoid);
271	DO(sctps_send_cwnd_avoid);
272	DO(sctps_fwdtsn_map_over);
273	DO(sctps_queue_upd_ecne);
274#undef DO
275}
276
277void
278showsctp(void)
279{
280	struct sctpstat stats;
281
282	memset(&stats, 0, sizeof stats);
283	domode(&stats);
284
285#define DO(stat, row, col) \
286	mvwprintw(wnd, row, col, "%12lu", stats.stat)
287#define	L(row, stat) DO(stat, row, 0)
288#define	R(row, stat) DO(stat, row, 38)
289	L(1, sctps_activeestab);	R(1, sctps_outpackets);
290	L(2, sctps_passiveestab);	R(2, sctps_inpackets);
291	L(3, sctps_currestab);		R(3, sctps_outoftheblue);
292	L(4, sctps_restartestab);	R(4, sctps_badvtag);
293	L(5, sctps_shutdown);		R(5, sctps_checksumerrors);
294	L(6, sctps_aborted);
295
296
297	L(9, sctps_timoinit);		R(9, sctps_outcontrolchunks);
298	L(10, sctps_timocookie);	R(10, sctps_senddata);
299	L(11, sctps_timodata);		R(11, sctps_outorderchunks);
300	L(12, sctps_timosack);		R(12, sctps_outunorderchunks);
301	L(13, sctps_timoshutdown);	R(13, sctps_incontrolchunks);
302	L(14, sctps_timoshutdownack);	R(14, sctps_recvdata);
303	L(15, sctps_timoshutdownguard);	R(15, sctps_inorderchunks);
304	L(16, sctps_timoheartbeat);	R(16, sctps_inunorderchunks);
305	L(17, sctps_timopathmtu);
306	L(18, sctps_timoautoclose);
307	L(19, sctps_timoasconf);	R(19, sctps_fragusrmsgs);
308	L(20, sctps_timostrmrst);	R(20, sctps_reasmusrmsgs);
309#undef DO
310#undef L
311#undef R
312}
313
314int
315initsctp(void)
316{
317	size_t len;
318	const char *name = "net.inet.sctp.stats";
319
320	len = 0;
321	if (sysctlbyname(name, NULL, &len, NULL, 0) < 0) {
322		error("sysctl getting sctpstat size failed");
323		return 0;
324	}
325	if (len > sizeof curstat) {
326		error("sctpstat structure has grown--recompile systat!");
327		return 0;
328	}
329	if (sysctlbyname(name, &initstat, &len, NULL, 0) < 0) {
330		error("sysctl getting sctpstat failed");
331		return 0;
332	}
333	oldstat = initstat;
334	return 1;
335}
336
337void
338resetsctp(void)
339{
340	size_t len;
341	const char *name = "net.inet.sctp.stats";
342
343	len = sizeof initstat;
344	if (sysctlbyname(name, &initstat, &len, NULL, 0) < 0) {
345		error("sysctl getting sctpstat failed");
346	}
347	oldstat = initstat;
348}
349
350void
351fetchsctp(void)
352{
353	size_t len;
354	const char *name = "net.inet.sctp.stats";
355
356	oldstat = curstat;
357	len = sizeof curstat;
358	if (sysctlbyname(name, &curstat, &len, NULL, 0) < 0) {
359		error("sysctl getting sctpstat failed");
360	}
361	return;
362}
363