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 * 3. 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 restarted   999999999999 - out of the blue
5704999999999999 associations terminated  999999999999 - bad vtag
5805999999999999 associations aborted     999999999999 - bad crc32c
5906
6007             SCTP Timers                           SCTP Chunks
6108999999999999 init timeouts            999999999999 control chunks sent
6209999999999999 cookie timeouts          999999999999 data chunks sent
6310999999999999 data timeouts            999999999999 - ordered
6411999999999999 delayed sack timeouts    999999999999 - unordered
6512999999999999 shutdown timeouts        999999999999 control chunks received
6613999999999999 shutdown-ack timeouts    999999999999 data chunks received
6714999999999999 shutdown guard timeouts  999999999999 - ordered
6815999999999999 heartbeat timeouts       999999999999 - unordered
6916999999999999 path MTU timeouts
7017999999999999 autoclose timeouts                    SCTP user messages
7118999999999999 asconf timeouts          999999999999 fragmented
7219999999999999 stream reset timeouts    999999999999 reassembled
73--0123456789012345678901234567890123456789012345678901234567890123456789012345
74--0         1         2         3         4         5         6         7
75*/
76
77WINDOW *
78opensctp(void)
79{
80	return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
81}
82
83void
84closesctp(WINDOW *w)
85{
86	if (w != NULL) {
87		wclear(w);
88		wrefresh(w);
89		delwin(w);
90	}
91}
92
93void
94labelsctp(void)
95{
96	wmove(wnd, 0, 0); wclrtoeol(wnd);
97#define L(row, str) mvwprintw(wnd, row, 13, str)
98#define R(row, str) mvwprintw(wnd, row, 51, str);
99	L(0, "SCTP Associations");		R(0, "SCTP Packets");
100	L(1, "associations initiated");		R(1, "packets sent");
101	L(2, "associations accepted");		R(2, "packets received");
102	L(3, "associations restarted");		R(3, "- out of the blue");
103	L(4, "associations terminated");	R(4, "- bad vtag");
104	L(5, "associations aborted");		R(5, "- bad crc32c");
105
106	L(7, "SCTP Timers");			R(7, "SCTP Chunks");
107	L(8, "init timeouts");			R(8, "control chunks sent");
108	L(9, "cookie timeouts");		R(9, "data chunks sent");
109	L(10, "data timeouts");			R(10, "- ordered");
110	L(11, "delayed sack timeouts");		R(11, "- unordered");
111	L(12, "shutdown timeouts");		R(12, "control chunks received");
112	L(13, "shutdown-ack timeouts");		R(13, "data chunks received");
113	L(14, "shutdown guard timeouts");	R(14, "- ordered");
114	L(15, "heartbeat timeouts");		R(15, "- unordered");
115	L(16, "path MTU timeouts");
116	L(17, "autoclose timeouts");		R(17, "SCTP User Messages");
117	L(18, "asconf timeouts");		R(18, "fragmented");
118	L(19, "stream reset timeouts");		R(19, "reassembled");
119#undef L
120#undef R
121}
122
123static void
124domode(struct sctpstat *ret)
125{
126	const struct sctpstat *sub;
127	int divisor = 1;
128
129	switch(currentmode) {
130	case display_RATE:
131		sub = &oldstat;
132		divisor = (delay > 1000000) ? delay / 1000000 : 1;
133		break;
134	case display_DELTA:
135		sub = &oldstat;
136		break;
137	case display_SINCE:
138		sub = &initstat;
139		break;
140	default:
141		*ret = curstat;
142		return;
143	}
144#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
145	DO(sctps_currestab);
146	DO(sctps_activeestab);
147	DO(sctps_restartestab);
148	DO(sctps_collisionestab);
149	DO(sctps_passiveestab);
150	DO(sctps_aborted);
151	DO(sctps_shutdown);
152	DO(sctps_outoftheblue);
153	DO(sctps_checksumerrors);
154	DO(sctps_outcontrolchunks);
155	DO(sctps_outorderchunks);
156	DO(sctps_outunorderchunks);
157	DO(sctps_incontrolchunks);
158	DO(sctps_inorderchunks);
159	DO(sctps_inunorderchunks);
160	DO(sctps_fragusrmsgs);
161	DO(sctps_reasmusrmsgs);
162	DO(sctps_outpackets);
163	DO(sctps_inpackets);
164
165	DO(sctps_recvpackets);
166	DO(sctps_recvdatagrams);
167	DO(sctps_recvpktwithdata);
168	DO(sctps_recvsacks);
169	DO(sctps_recvdata);
170	DO(sctps_recvdupdata);
171	DO(sctps_recvheartbeat);
172	DO(sctps_recvheartbeatack);
173	DO(sctps_recvecne);
174	DO(sctps_recvauth);
175	DO(sctps_recvauthmissing);
176	DO(sctps_recvivalhmacid);
177	DO(sctps_recvivalkeyid);
178	DO(sctps_recvauthfailed);
179	DO(sctps_recvexpress);
180	DO(sctps_recvexpressm);
181	DO(sctps_recvswcrc);
182	DO(sctps_recvhwcrc);
183
184	DO(sctps_sendpackets);
185	DO(sctps_sendsacks);
186	DO(sctps_senddata);
187	DO(sctps_sendretransdata);
188	DO(sctps_sendfastretrans);
189	DO(sctps_sendmultfastretrans);
190	DO(sctps_sendheartbeat);
191	DO(sctps_sendecne);
192	DO(sctps_sendauth);
193	DO(sctps_senderrors);
194	DO(sctps_sendswcrc);
195	DO(sctps_sendhwcrc);
196
197	DO(sctps_pdrpfmbox);
198	DO(sctps_pdrpfehos);
199	DO(sctps_pdrpmbda);
200	DO(sctps_pdrpmbct);
201	DO(sctps_pdrpbwrpt);
202	DO(sctps_pdrpcrupt);
203	DO(sctps_pdrpnedat);
204	DO(sctps_pdrppdbrk);
205	DO(sctps_pdrptsnnf);
206	DO(sctps_pdrpdnfnd);
207	DO(sctps_pdrpdiwnp);
208	DO(sctps_pdrpdizrw);
209	DO(sctps_pdrpbadd);
210	DO(sctps_pdrpmark);
211
212	DO(sctps_timoiterator);
213	DO(sctps_timodata);
214	DO(sctps_timowindowprobe);
215	DO(sctps_timoinit);
216	DO(sctps_timosack);
217	DO(sctps_timoshutdown);
218	DO(sctps_timoheartbeat);
219	DO(sctps_timocookie);
220	DO(sctps_timosecret);
221	DO(sctps_timopathmtu);
222	DO(sctps_timoshutdownack);
223	DO(sctps_timoshutdownguard);
224	DO(sctps_timostrmrst);
225	DO(sctps_timoearlyfr);
226	DO(sctps_timoasconf);
227	DO(sctps_timodelprim);
228	DO(sctps_timoautoclose);
229	DO(sctps_timoassockill);
230	DO(sctps_timoinpkill);
231
232	DO(sctps_hdrops);
233	DO(sctps_badsum);
234	DO(sctps_noport);
235	DO(sctps_badvtag);
236	DO(sctps_badsid);
237	DO(sctps_nomem);
238	DO(sctps_fastretransinrtt);
239	DO(sctps_markedretrans);
240	DO(sctps_naglesent);
241	DO(sctps_naglequeued);
242	DO(sctps_maxburstqueued);
243	DO(sctps_ifnomemqueued);
244	DO(sctps_windowprobed);
245	DO(sctps_lowlevelerr);
246	DO(sctps_lowlevelerrusr);
247	DO(sctps_datadropchklmt);
248	DO(sctps_datadroprwnd);
249	DO(sctps_ecnereducedcwnd);
250	DO(sctps_vtagexpress);
251	DO(sctps_vtagbogus);
252	DO(sctps_primary_randry);
253	DO(sctps_cmt_randry);
254	DO(sctps_slowpath_sack);
255	DO(sctps_wu_sacks_sent);
256	DO(sctps_sends_with_flags);
257	DO(sctps_sends_with_unord);
258	DO(sctps_sends_with_eof);
259	DO(sctps_sends_with_abort);
260	DO(sctps_protocol_drain_calls);
261	DO(sctps_protocol_drains_done);
262	DO(sctps_read_peeks);
263	DO(sctps_cached_chk);
264	DO(sctps_cached_strmoq);
265	DO(sctps_left_abandon);
266	DO(sctps_send_burst_avoid);
267	DO(sctps_send_cwnd_avoid);
268	DO(sctps_fwdtsn_map_over);
269	DO(sctps_queue_upd_ecne);
270#undef DO
271}
272
273void
274showsctp(void)
275{
276	struct sctpstat stats;
277
278	memset(&stats, 0, sizeof stats);
279	domode(&stats);
280
281#define DO(stat, row, col) \
282	mvwprintw(wnd, row, col, "%12lu", stats.stat)
283#define	L(row, stat) DO(stat, row, 0)
284#define	R(row, stat) DO(stat, row, 38)
285	L(1, sctps_activeestab);	R(1, sctps_outpackets);
286	L(2, sctps_passiveestab);	R(2, sctps_inpackets);
287	L(3, sctps_restartestab);	R(3, sctps_outoftheblue);
288	L(4, sctps_shutdown);		R(4, sctps_badvtag);
289	L(5, sctps_aborted);		R(5, sctps_checksumerrors);
290
291
292	L(8, sctps_timoinit);		R(8, sctps_outcontrolchunks);
293	L(9, sctps_timocookie);		R(9, sctps_senddata);
294	L(10, sctps_timodata);		R(10, sctps_outorderchunks);
295	L(11, sctps_timosack);		R(11, sctps_outunorderchunks);
296	L(12, sctps_timoshutdown);	R(12, sctps_incontrolchunks);
297	L(13, sctps_timoshutdownack);	R(13, sctps_recvdata);
298	L(14, sctps_timoshutdownguard);	R(14, sctps_inorderchunks);
299	L(15, sctps_timoheartbeat);	R(15, sctps_inunorderchunks);
300	L(16, sctps_timopathmtu);
301	L(17, sctps_timoautoclose);
302	L(18, sctps_timoasconf);	R(18, sctps_fragusrmsgs);
303	L(19, sctps_timostrmrst);	R(19, sctps_reasmusrmsgs);
304#undef DO
305#undef L
306#undef R
307}
308
309int
310initsctp(void)
311{
312	size_t len;
313	const char *name = "net.inet.sctp.stats";
314
315	len = 0;
316	if (sysctlbyname(name, NULL, &len, NULL, 0) < 0) {
317		error("sysctl getting sctpstat size failed");
318		return 0;
319	}
320	if (len > sizeof curstat) {
321		error("sctpstat structure has grown--recompile systat!");
322		return 0;
323	}
324	if (sysctlbyname(name, &initstat, &len, NULL, 0) < 0) {
325		error("sysctl getting sctpstat failed");
326		return 0;
327	}
328	oldstat = initstat;
329	return 1;
330}
331
332void
333resetsctp(void)
334{
335	size_t len;
336	const char *name = "net.inet.sctp.stats";
337
338	len = sizeof initstat;
339	if (sysctlbyname(name, &initstat, &len, NULL, 0) < 0) {
340		error("sysctl getting sctpstat failed");
341	}
342	oldstat = initstat;
343}
344
345void
346fetchsctp(void)
347{
348	size_t len;
349	const char *name = "net.inet.sctp.stats";
350
351	oldstat = curstat;
352	len = sizeof curstat;
353	if (sysctlbyname(name, &curstat, &len, NULL, 0) < 0) {
354		error("sysctl getting sctpstat failed");
355	}
356	return;
357}
358