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 * 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.
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
37 static char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93";
38 static const char rcsid[] =
39 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp";
43 #include <sys/cdefs.h>
44 __FBSDID("$FreeBSD$");
46 #include <sys/param.h>
47 #include <sys/types.h>
48 #include <sys/socket.h>
49 #include <sys/sysctl.h>
51 #include <netinet/in.h>
52 #include <netinet/in_systm.h>
53 #include <netinet/ip.h>
54 #include <netinet/tcp.h>
55 #include <netinet/tcp_seq.h>
56 #include <netinet/tcp_fsm.h>
57 #include <netinet/tcp_timer.h>
58 #include <netinet/tcp_var.h>
68 static struct tcpstat curstat, initstat, oldstat;
72 --0123456789012345678901234567890123456789012345678901234567890123456789012345
73 00 TCP Connections TCP Packets
74 01999999999999 connections initiated 999999999999 total packets sent
75 02999999999999 connections accepted 999999999999 - data
76 03999999999999 connections established 999999999999 - data (retransmit by dupack)
77 04999999999999 connections dropped 999999999999 - data (retransmit by sack)
78 05999999999999 - in embryonic state 999999999999 - ack-only
79 06999999999999 - on retransmit timeout 999999999999 - window probes
80 07999999999999 - by keepalive 999999999999 - window updates
81 08999999999999 - from listen queue 999999999999 - urgent data only
82 09 999999999999 - control
83 10 999999999999 - resends by PMTU discovery
84 11 TCP Timers 999999999999 total packets received
85 12999999999999 potential rtt updates 999999999999 - in sequence
86 13999999999999 - successful 999999999999 - completely duplicate
87 14999999999999 delayed acks sent 999999999999 - with some duplicate data
88 15999999999999 retransmit timeouts 999999999999 - out-of-order
89 16999999999999 persist timeouts 999999999999 - duplicate acks
90 17999999999999 keepalive probes 999999999999 - acks
91 18999999999999 - timeouts 999999999999 - window probes
92 19 999999999999 - window updates
93 20 999999999999 - bad checksum
94 --0123456789012345678901234567890123456789012345678901234567890123456789012345
101 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
118 wmove(wnd, 0, 0); wclrtoeol(wnd);
119 #define L(row, str) mvwprintw(wnd, row, 13, str)
120 #define R(row, str) mvwprintw(wnd, row, 51, str);
121 L(0, "TCP Connections"); R(0, "TCP Packets");
122 L(1, "connections initiated"); R(1, "total packets sent");
123 L(2, "connections accepted"); R(2, "- data");
124 L(3, "connections established"); R(3, "- data (retransmit by dupack)");
125 L(4, "connections dropped"); R(4, "- data (retransmit by sack)");
126 L(5, "- in embryonic state"); R(5, "- ack-only");
127 L(6, "- on retransmit timeout"); R(6, "- window probes");
128 L(7, "- by keepalive"); R(7, "- window updates");
129 L(8, "- from listen queue"); R(8, "- urgent data only");
131 R(10, "- resends by PMTU discovery");
132 L(11, "TCP Timers"); R(11, "total packets received");
133 L(12, "potential rtt updates"); R(12, "- in sequence");
134 L(13, "- successful"); R(13, "- completely duplicate");
135 L(14, "delayed acks sent"); R(14, "- with some duplicate data");
136 L(15, "retransmit timeouts"); R(15, "- out-of-order");
137 L(16, "persist timeouts"); R(16, "- duplicate acks");
138 L(17, "keepalive probes"); R(17, "- acks");
139 L(18, "- timeouts"); R(18, "- window probes");
140 R(19, "- window updates");
141 R(20, "- bad checksum");
147 domode(struct tcpstat *ret)
149 const struct tcpstat *sub;
152 switch(currentmode) {
167 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
168 DO(tcps_connattempt);
177 DO(tcps_timeoutdrop);
179 DO(tcps_persisttimeo);
187 DO(tcps_sndrexmitpack);
188 DO(tcps_sack_rexmits);
203 DO(tcps_rcvpartduppack);
204 DO(tcps_rcvpartdupbyte);
207 DO(tcps_rcvpackafterwin);
208 DO(tcps_rcvbyteafterwin);
209 DO(tcps_rcvafterclose);
210 DO(tcps_rcvwinprobe);
212 DO(tcps_rcvacktoomuch);
219 DO(tcps_pcbcachemiss);
221 DO(tcps_cachedrttvar);
222 DO(tcps_cachedssthresh);
225 DO(tcps_usedssthresh);
226 DO(tcps_persistdrop);
236 struct tcpstat stats;
238 memset(&stats, 0, sizeof stats);
241 #define DO(stat, row, col) \
242 mvwprintw(wnd, row, col, "%12lu", stats.stat)
243 #define L(row, stat) DO(stat, row, 0)
244 #define R(row, stat) DO(stat, row, 38)
245 L(1, tcps_connattempt); R(1, tcps_sndtotal);
246 L(2, tcps_accepts); R(2, tcps_sndpack);
247 L(3, tcps_connects); R(3, tcps_sndrexmitpack);
248 L(4, tcps_drops); R(4, tcps_sack_rexmits);
249 L(5, tcps_conndrops); R(5, tcps_sndacks);
250 L(6, tcps_timeoutdrop); R(6, tcps_sndprobe);
251 L(7, tcps_keepdrops); R(7, tcps_sndwinup);
252 L(8, tcps_listendrop); R(8, tcps_sndurg);
254 R(10, tcps_mturesent);
255 R(11, tcps_rcvtotal);
256 L(12, tcps_segstimed); R(12, tcps_rcvpack);
257 L(13, tcps_rttupdated); R(13, tcps_rcvduppack);
258 L(14, tcps_delack); R(14, tcps_rcvpartduppack);
259 L(15, tcps_rexmttimeo); R(15, tcps_rcvoopack);
260 L(16, tcps_persisttimeo); R(16, tcps_rcvdupack);
261 L(17, tcps_keepprobe); R(17, tcps_rcvackpack);
262 L(18, tcps_keeptimeo); R(18, tcps_rcvwinprobe);
263 R(19, tcps_rcvwinupd);
264 R(20, tcps_rcvbadsum);
278 name[2] = IPPROTO_TCP;
279 name[3] = TCPCTL_STATS;
282 if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
283 error("sysctl getting tcpstat size failed");
286 if (len > sizeof curstat) {
287 error("tcpstat structure has grown--recompile systat!");
290 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
291 error("sysctl getting tcpstat failed");
306 name[2] = IPPROTO_TCP;
307 name[3] = TCPCTL_STATS;
309 len = sizeof initstat;
310 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
311 error("sysctl getting tcpstat failed");
325 name[2] = IPPROTO_TCP;
326 name[3] = TCPCTL_STATS;
327 len = sizeof curstat;
329 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0)