2 * Copyright (c) 1980, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 static char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93";
34 static const char rcsid[] =
35 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp";
39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD$");
42 #include <sys/param.h>
43 #include <sys/types.h>
44 #include <sys/socket.h>
45 #include <sys/sysctl.h>
47 #include <netinet/in.h>
48 #include <netinet/in_systm.h>
49 #include <netinet/ip.h>
50 #include <netinet/tcp.h>
51 #include <netinet/tcp_seq.h>
52 #include <netinet/tcp_fsm.h>
53 #include <netinet/tcp_timer.h>
54 #include <netinet/tcp_var.h>
64 static struct tcpstat curstat, initstat, oldstat;
68 --0123456789012345678901234567890123456789012345678901234567890123456789012345
69 00 TCP Connections TCP Packets
70 01999999999999 connections initiated 999999999999 total packets sent
71 02999999999999 connections accepted 999999999999 - data
72 03999999999999 connections established 999999999999 - data (retransmit by dupack)
73 04999999999999 connections dropped 999999999999 - data (retransmit by sack)
74 05999999999999 - in embryonic state 999999999999 - ack-only
75 06999999999999 - on retransmit timeout 999999999999 - window probes
76 07999999999999 - by keepalive 999999999999 - window updates
77 08999999999999 - from listen queue 999999999999 - urgent data only
78 09 999999999999 - control
79 10 999999999999 - resends by PMTU discovery
80 11 TCP Timers 999999999999 total packets received
81 12999999999999 potential rtt updates 999999999999 - in sequence
82 13999999999999 - successful 999999999999 - completely duplicate
83 14999999999999 delayed acks sent 999999999999 - with some duplicate data
84 15999999999999 retransmit timeouts 999999999999 - out-of-order
85 16999999999999 persist timeouts 999999999999 - duplicate acks
86 17999999999999 keepalive probes 999999999999 - acks
87 18999999999999 - timeouts 999999999999 - window probes
88 19 999999999999 - window updates
89 20 999999999999 - bad checksum
90 --0123456789012345678901234567890123456789012345678901234567890123456789012345
97 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
113 wmove(wnd, 0, 0); wclrtoeol(wnd);
114 #define L(row, str) mvwprintw(wnd, row, 13, str)
115 #define R(row, str) mvwprintw(wnd, row, 51, str);
116 L(0, "TCP Connections"); R(0, "TCP Packets");
117 L(1, "connections initiated"); R(1, "total packets sent");
118 L(2, "connections accepted"); R(2, "- data");
119 L(3, "connections established"); R(3, "- data (retransmit by dupack)");
120 L(4, "connections dropped"); R(4, "- data (retransmit by sack)");
121 L(5, "- in embryonic state"); R(5, "- ack-only");
122 L(6, "- on retransmit timeout"); R(6, "- window probes");
123 L(7, "- by keepalive"); R(7, "- window updates");
124 L(8, "- from listen queue"); R(8, "- urgent data only");
126 R(10, "- resends by PMTU discovery");
127 L(11, "TCP Timers"); R(11, "total packets received");
128 L(12, "potential rtt updates"); R(12, "- in sequence");
129 L(13, "- successful"); R(13, "- completely duplicate");
130 L(14, "delayed acks sent"); R(14, "- with some duplicate data");
131 L(15, "retransmit timeouts"); R(15, "- out-of-order");
132 L(16, "persist timeouts"); R(16, "- duplicate acks");
133 L(17, "keepalive probes"); R(17, "- acks");
134 L(18, "- timeouts"); R(18, "- window probes");
135 R(19, "- window updates");
136 R(20, "- bad checksum");
142 domode(struct tcpstat *ret)
144 const struct tcpstat *sub;
147 switch(currentmode) {
162 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
163 DO(tcps_connattempt);
172 DO(tcps_timeoutdrop);
174 DO(tcps_persisttimeo);
182 DO(tcps_sndrexmitpack);
183 DO(tcps_sack_rexmits);
198 DO(tcps_rcvpartduppack);
199 DO(tcps_rcvpartdupbyte);
202 DO(tcps_rcvpackafterwin);
203 DO(tcps_rcvbyteafterwin);
204 DO(tcps_rcvafterclose);
205 DO(tcps_rcvwinprobe);
207 DO(tcps_rcvacktoomuch);
214 DO(tcps_pcbcachemiss);
216 DO(tcps_cachedrttvar);
217 DO(tcps_cachedssthresh);
220 DO(tcps_usedssthresh);
221 DO(tcps_persistdrop);
231 struct tcpstat stats;
233 memset(&stats, 0, sizeof stats);
236 #define DO(stat, row, col) \
237 mvwprintw(wnd, row, col, "%12lu", stats.stat)
238 #define L(row, stat) DO(stat, row, 0)
239 #define R(row, stat) DO(stat, row, 38)
240 L(1, tcps_connattempt); R(1, tcps_sndtotal);
241 L(2, tcps_accepts); R(2, tcps_sndpack);
242 L(3, tcps_connects); R(3, tcps_sndrexmitpack);
243 L(4, tcps_drops); R(4, tcps_sack_rexmits);
244 L(5, tcps_conndrops); R(5, tcps_sndacks);
245 L(6, tcps_timeoutdrop); R(6, tcps_sndprobe);
246 L(7, tcps_keepdrops); R(7, tcps_sndwinup);
247 L(8, tcps_listendrop); R(8, tcps_sndurg);
249 R(10, tcps_mturesent);
250 R(11, tcps_rcvtotal);
251 L(12, tcps_segstimed); R(12, tcps_rcvpack);
252 L(13, tcps_rttupdated); R(13, tcps_rcvduppack);
253 L(14, tcps_delack); R(14, tcps_rcvpartduppack);
254 L(15, tcps_rexmttimeo); R(15, tcps_rcvoopack);
255 L(16, tcps_persisttimeo); R(16, tcps_rcvdupack);
256 L(17, tcps_keepprobe); R(17, tcps_rcvackpack);
257 L(18, tcps_keeptimeo); R(18, tcps_rcvwinprobe);
258 R(19, tcps_rcvwinupd);
259 R(20, tcps_rcvbadsum);
273 name[2] = IPPROTO_TCP;
274 name[3] = TCPCTL_STATS;
277 if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
278 error("sysctl getting tcpstat size failed");
281 if (len > sizeof curstat) {
282 error("tcpstat structure has grown--recompile systat!");
285 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
286 error("sysctl getting tcpstat failed");
301 name[2] = IPPROTO_TCP;
302 name[3] = TCPCTL_STATS;
304 len = sizeof initstat;
305 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
306 error("sysctl getting tcpstat failed");
320 name[2] = IPPROTO_TCP;
321 name[3] = TCPCTL_STATS;
322 len = sizeof curstat;
324 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0)