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freebsd-src/usr.bin/systat/sctp.c
Michael Tuexen f750709a28 MFC r289873: 
Add support to systat to display SCTP statistics.
MFC r289874:
Bump date in man page.
2016-01-18 18:50:26 +00:00

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/*-
* Copyright (c) 2015
* The Regents of the University of California. All rights reserved.
* Michael Tuexen. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <netinet/sctp.h>
#include <stdlib.h>
#include <string.h>
#include "systat.h"
#include "extern.h"
#include "mode.h"
static struct sctpstat curstat, initstat, oldstat;
/*-
--0 1 2 3 4 5 6 7
--0123456789012345678901234567890123456789012345678901234567890123456789012345
00 SCTP Associations SCTP Packets
01999999999999 associations initiated 999999999999 packets sent
02999999999999 associations accepted 999999999999 packets received
03999999999999 associations established 999999999999 - out of the blue
04999999999999 associations restarted 999999999999 - bad vtag
05999999999999 associations terminated 999999999999 - bad crc32c
06999999999999 associations aborted
07
08 SCTP Timers SCTP Chunks
09999999999999 init timeouts 999999999999 control chunks sent
10999999999999 cookie timeouts 999999999999 data chunks sent
11999999999999 data timeouts 999999999999 - ordered
12999999999999 delayed sack timeouts 999999999999 - unordered
13999999999999 shutdown timeouts 999999999999 control chunks received
14999999999999 shutdown-ack timeouts 999999999999 data chunks received
15999999999999 shutdown guard timeouts 999999999999 - ordered
16999999999999 heartbeat timeouts 999999999999 - unordered
17999999999999 path MTU timeouts
18999999999999 autoclose timeouts SCTP user messages
19999999999999 asconf timeouts 999999999999 fragmented
20999999999999 stream reset timeouts 999999999999 reassembled
--0123456789012345678901234567890123456789012345678901234567890123456789012345
--0 1 2 3 4 5 6 7
*/
WINDOW *
opensctp(void)
{
return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
}
void
closesctp(WINDOW *w)
{
if (w != NULL) {
wclear(w);
wrefresh(w);
delwin(w);
}
}
void
labelsctp(void)
{
wmove(wnd, 0, 0); wclrtoeol(wnd);
#define L(row, str) mvwprintw(wnd, row, 13, str)
#define R(row, str) mvwprintw(wnd, row, 51, str);
L(0, "SCTP Associations"); R(0, "SCTP Packets");
L(1, "associations initiated"); R(1, "packets sent");
L(2, "associations accepted"); R(2, "packets received");
L(3, "associations established"); R(3, "- out of the blue");
L(4, "associations restarted"); R(4, "- bad vtag");
L(5, "associations terminated"); R(5, "- bad crc32c");
L(6, "associations aborted");
L(8, "SCTP Timers"); R(8, "SCTP Chunks");
L(9, "init timeouts"); R(9, "control chunks sent");
L(10, "cookie timeouts"); R(10, "data chunks sent");
L(11, "data timeouts"); R(11, "- ordered");
L(12, "delayed sack timeouts"); R(12, "- unordered");
L(13, "shutdown timeouts"); R(13, "control chunks received");
L(14, "shutdown-ack timeouts"); R(14, "data chunks received");
L(15, "shutdown guard timeouts"); R(15, "- ordered");
L(16, "heartbeat timeouts"); R(16, "- unordered");
L(17, "path MTU timeouts");
L(18, "autoclose timeouts"); R(18, "SCTP User Messages");
L(19, "asconf timeouts"); R(19, "fragmented");
L(20, "stream reset timeouts"); R(20, "reassembled");
#undef L
#undef R
}
static void
domode(struct sctpstat *ret)
{
const struct sctpstat *sub;
int divisor = 1;
switch(currentmode) {
case display_RATE:
sub = &oldstat;
divisor = (delay > 1000000) ? delay / 1000000 : 1;
break;
case display_DELTA:
sub = &oldstat;
break;
case display_SINCE:
sub = &initstat;
break;
default:
*ret = curstat;
return;
}
#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
DO(sctps_currestab);
DO(sctps_activeestab);
DO(sctps_restartestab);
DO(sctps_collisionestab);
DO(sctps_passiveestab);
DO(sctps_aborted);
DO(sctps_shutdown);
DO(sctps_outoftheblue);
DO(sctps_checksumerrors);
DO(sctps_outcontrolchunks);
DO(sctps_outorderchunks);
DO(sctps_outunorderchunks);
DO(sctps_incontrolchunks);
DO(sctps_inorderchunks);
DO(sctps_inunorderchunks);
DO(sctps_fragusrmsgs);
DO(sctps_reasmusrmsgs);
DO(sctps_outpackets);
DO(sctps_inpackets);
DO(sctps_recvpackets);
DO(sctps_recvdatagrams);
DO(sctps_recvpktwithdata);
DO(sctps_recvsacks);
DO(sctps_recvdata);
DO(sctps_recvdupdata);
DO(sctps_recvheartbeat);
DO(sctps_recvheartbeatack);
DO(sctps_recvecne);
DO(sctps_recvauth);
DO(sctps_recvauthmissing);
DO(sctps_recvivalhmacid);
DO(sctps_recvivalkeyid);
DO(sctps_recvauthfailed);
DO(sctps_recvexpress);
DO(sctps_recvexpressm);
DO(sctps_recvnocrc);
DO(sctps_recvswcrc);
DO(sctps_recvhwcrc);
DO(sctps_sendpackets);
DO(sctps_sendsacks);
DO(sctps_senddata);
DO(sctps_sendretransdata);
DO(sctps_sendfastretrans);
DO(sctps_sendmultfastretrans);
DO(sctps_sendheartbeat);
DO(sctps_sendecne);
DO(sctps_sendauth);
DO(sctps_senderrors);
DO(sctps_sendnocrc);
DO(sctps_sendswcrc);
DO(sctps_sendhwcrc);
DO(sctps_pdrpfmbox);
DO(sctps_pdrpfehos);
DO(sctps_pdrpmbda);
DO(sctps_pdrpmbct);
DO(sctps_pdrpbwrpt);
DO(sctps_pdrpcrupt);
DO(sctps_pdrpnedat);
DO(sctps_pdrppdbrk);
DO(sctps_pdrptsnnf);
DO(sctps_pdrpdnfnd);
DO(sctps_pdrpdiwnp);
DO(sctps_pdrpdizrw);
DO(sctps_pdrpbadd);
DO(sctps_pdrpmark);
DO(sctps_timoiterator);
DO(sctps_timodata);
DO(sctps_timowindowprobe);
DO(sctps_timoinit);
DO(sctps_timosack);
DO(sctps_timoshutdown);
DO(sctps_timoheartbeat);
DO(sctps_timocookie);
DO(sctps_timosecret);
DO(sctps_timopathmtu);
DO(sctps_timoshutdownack);
DO(sctps_timoshutdownguard);
DO(sctps_timostrmrst);
DO(sctps_timoearlyfr);
DO(sctps_timoasconf);
DO(sctps_timodelprim);
DO(sctps_timoautoclose);
DO(sctps_timoassockill);
DO(sctps_timoinpkill);
DO(sctps_hdrops);
DO(sctps_badsum);
DO(sctps_noport);
DO(sctps_badvtag);
DO(sctps_badsid);
DO(sctps_nomem);
DO(sctps_fastretransinrtt);
DO(sctps_markedretrans);
DO(sctps_naglesent);
DO(sctps_naglequeued);
DO(sctps_maxburstqueued);
DO(sctps_ifnomemqueued);
DO(sctps_windowprobed);
DO(sctps_lowlevelerr);
DO(sctps_lowlevelerrusr);
DO(sctps_datadropchklmt);
DO(sctps_datadroprwnd);
DO(sctps_ecnereducedcwnd);
DO(sctps_vtagexpress);
DO(sctps_vtagbogus);
DO(sctps_primary_randry);
DO(sctps_cmt_randry);
DO(sctps_slowpath_sack);
DO(sctps_wu_sacks_sent);
DO(sctps_sends_with_flags);
DO(sctps_sends_with_unord);
DO(sctps_sends_with_eof);
DO(sctps_sends_with_abort);
DO(sctps_protocol_drain_calls);
DO(sctps_protocol_drains_done);
DO(sctps_read_peeks);
DO(sctps_cached_chk);
DO(sctps_cached_strmoq);
DO(sctps_left_abandon);
DO(sctps_send_burst_avoid);
DO(sctps_send_cwnd_avoid);
DO(sctps_fwdtsn_map_over);
DO(sctps_queue_upd_ecne);
#undef DO
}
void
showsctp(void)
{
struct sctpstat stats;
memset(&stats, 0, sizeof stats);
domode(&stats);
#define DO(stat, row, col) \
mvwprintw(wnd, row, col, "%12lu", stats.stat)
#define L(row, stat) DO(stat, row, 0)
#define R(row, stat) DO(stat, row, 38)
L(1, sctps_activeestab); R(1, sctps_outpackets);
L(2, sctps_passiveestab); R(2, sctps_inpackets);
L(3, sctps_currestab); R(3, sctps_outoftheblue);
L(4, sctps_restartestab); R(4, sctps_badvtag);
L(5, sctps_shutdown); R(5, sctps_checksumerrors);
L(6, sctps_aborted);
L(9, sctps_timoinit); R(9, sctps_outcontrolchunks);
L(10, sctps_timocookie); R(10, sctps_senddata);
L(11, sctps_timodata); R(11, sctps_outorderchunks);
L(12, sctps_timosack); R(12, sctps_outunorderchunks);
L(13, sctps_timoshutdown); R(13, sctps_incontrolchunks);
L(14, sctps_timoshutdownack); R(14, sctps_recvdata);
L(15, sctps_timoshutdownguard); R(15, sctps_inorderchunks);
L(16, sctps_timoheartbeat); R(16, sctps_inunorderchunks);
L(17, sctps_timopathmtu);
L(18, sctps_timoautoclose);
L(19, sctps_timoasconf); R(19, sctps_fragusrmsgs);
L(20, sctps_timostrmrst); R(20, sctps_reasmusrmsgs);
#undef DO
#undef L
#undef R
}
int
initsctp(void)
{
size_t len;
const char *name = "net.inet.sctp.stats";
len = 0;
if (sysctlbyname(name, NULL, &len, NULL, 0) < 0) {
error("sysctl getting sctpstat size failed");
return 0;
}
if (len > sizeof curstat) {
error("sctpstat structure has grown--recompile systat!");
return 0;
}
if (sysctlbyname(name, &initstat, &len, NULL, 0) < 0) {
error("sysctl getting sctpstat failed");
return 0;
}
oldstat = initstat;
return 1;
}
void
resetsctp(void)
{
size_t len;
const char *name = "net.inet.sctp.stats";
len = sizeof initstat;
if (sysctlbyname(name, &initstat, &len, NULL, 0) < 0) {
error("sysctl getting sctpstat failed");
}
oldstat = initstat;
}
void
fetchsctp(void)
{
size_t len;
const char *name = "net.inet.sctp.stats";
oldstat = curstat;
len = sizeof curstat;
if (sysctlbyname(name, &curstat, &len, NULL, 0) < 0) {
error("sysctl getting sctpstat failed");
}
return;
}
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