If boot verbose, print asicrev, chiprev and bus type.
[dragonfly.git] / usr.bin / systat / tcp.c
blob3315d2d283fd2303568834390fc349236f605618
1 /*-
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
7 * are met:
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
31 * SUCH DAMAGE.
33 * @(#)mbufs.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/systat/tcp.c,v 1.3 1999/08/28 01:06:06 peter Exp $
35 * $DragonFly: src/usr.bin/systat/tcp.c,v 1.5 2004/04/07 21:40:19 dillon Exp $
38 #include <sys/param.h>
39 #include <sys/types.h>
40 #include <sys/socket.h>
41 #include <sys/sysctl.h>
43 #include <netinet/in.h>
44 #include <netinet/in_systm.h>
45 #include <netinet/ip.h>
46 #include <netinet/tcp.h>
47 #include <netinet/tcp_seq.h>
48 #include <netinet/tcp_fsm.h>
49 #include <netinet/tcp_timer.h>
50 #include <netinet/tcp_var.h>
52 #include <stdlib.h>
53 #include <string.h>
54 #include <paths.h>
55 #include "systat.h"
56 #include "extern.h"
57 #include "mode.h"
59 static struct tcp_stats curstat, initstat, oldstat;
61 /*-
62 --0 1 2 3 4 5 6 7
63 --0123456789012345678901234567890123456789012345678901234567890123456789012345
64 01 TCP Connections TCP Packets
65 02999999999 connections initiated 999999999 total packets sent
66 03999999999 connections accepted 999999999 - data
67 04999999999 connections established 999999999 - data (retransmit)
68 05999999999 connections dropped 999999999 - ack-only
69 06999999999 - in embryonic state 999999999 - window probes
70 07999999999 - on retransmit timeout 999999999 - window updates
71 08999999999 - by keepalive 999999999 - urgent data only
72 09999999999 - from listen queue 999999999 - control
73 10 999999999 - resends by PMTU discovery
74 11 TCP Timers 999999999 total packets received
75 12999999999 potential rtt updates 999999999 - in sequence
76 13999999999 - successful 999999999 - completely duplicate
77 14999999999 delayed acks sent 999999999 - with some duplicate data
78 15999999999 retransmit timeouts 999999999 - out-of-order
79 16999999999 persist timeouts 999999999 - duplicate acks
80 17999999999 keepalive probes 999999999 - acks
81 18999999999 - timeouts 999999999 - window probes
82 19 999999999 - window updates
83 --0123456789012345678901234567890123456789012345678901234567890123456789012345
84 --0 1 2 3 4 5 6 7
87 WINDOW *
88 opentcp(void)
90 return (subwin(stdscr, LINES-5-1, 0, 5, 0));
93 void
94 closetcp(WINDOW *w)
96 if (w == NULL)
97 return;
98 wclear(w);
99 wrefresh(w);
100 delwin(w);
103 void
104 labeltcp(void)
106 wmove(wnd, 0, 0); wclrtoeol(wnd);
107 #define L(row, str) mvwprintw(wnd, row, 10, str)
108 #define R(row, str) mvwprintw(wnd, row, 45, str);
109 L(1, "TCP Connections"); R(1, "TCP Packets");
110 L(2, "connections initiated"); R(2, "total packets sent");
111 L(3, "connections accepted"); R(3, "- data");
112 L(4, "connections established"); R(4, "- data (retransmit)");
113 L(5, "connections dropped"); R(5, "- ack-only");
114 L(6, "- in embryonic state"); R(6, "- window probes");
115 L(7, "- on retransmit timeout"); R(7, "- window updates");
116 L(8, "- by keepalive"); R(8, "- urgent data only");
117 L(9, "- from listen queue"); R(9, "- control");
118 R(10, "- resends by PMTU discovery");
119 L(11, "TCP Timers"); R(11, "total packets received");
120 L(12, "potential rtt updates"); R(12, "- in sequence");
121 L(13, "- successful"); R(13, "- completely duplicate");
122 L(14, "delayed acks sent"); R(14, "- with some duplicate data");
123 L(15, "retransmit timeouts"); R(15, "- out-of-order");
124 L(16, "persist timeouts"); R(16, "- duplicate acks");
125 L(17, "keepalive probes"); R(17, "- acks");
126 L(18, "- timeouts"); R(18, "- window probes");
127 R(19, "- window updates");
128 #undef L
129 #undef R
132 static void
133 domode(struct tcp_stats *ret)
135 const struct tcp_stats *sub;
136 double divisor = 1.0;
138 switch(currentmode) {
139 case display_RATE:
140 sub = &oldstat;
141 divisor = naptime;
142 break;
143 case display_DELTA:
144 sub = &oldstat;
145 break;
146 case display_SINCE:
147 sub = &initstat;
148 break;
149 default:
150 *ret = curstat;
151 return;
153 #define DO(stat) ret->stat = (double)(curstat.stat - sub->stat) / divisor
154 DO(tcps_connattempt);
155 DO(tcps_accepts);
156 DO(tcps_connects);
157 DO(tcps_drops);
158 DO(tcps_conndrops);
159 DO(tcps_closed);
160 DO(tcps_segstimed);
161 DO(tcps_rttupdated);
162 DO(tcps_delack);
163 DO(tcps_timeoutdrop);
164 DO(tcps_rexmttimeo);
165 DO(tcps_persisttimeo);
166 DO(tcps_keeptimeo);
167 DO(tcps_keepprobe);
168 DO(tcps_keepdrops);
170 DO(tcps_sndtotal);
171 DO(tcps_sndpack);
172 DO(tcps_sndbyte);
173 DO(tcps_sndrexmitpack);
174 DO(tcps_sndrexmitbyte);
175 DO(tcps_sndacks);
176 DO(tcps_sndprobe);
177 DO(tcps_sndurg);
178 DO(tcps_sndwinup);
179 DO(tcps_sndctrl);
181 DO(tcps_rcvtotal);
182 DO(tcps_rcvpack);
183 DO(tcps_rcvbyte);
184 DO(tcps_rcvbadsum);
185 DO(tcps_rcvbadoff);
186 DO(tcps_rcvshort);
187 DO(tcps_rcvduppack);
188 DO(tcps_rcvdupbyte);
189 DO(tcps_rcvpartduppack);
190 DO(tcps_rcvpartdupbyte);
191 DO(tcps_rcvoopack);
192 DO(tcps_rcvoobyte);
193 DO(tcps_rcvpackafterwin);
194 DO(tcps_rcvbyteafterwin);
195 DO(tcps_rcvafterclose);
196 DO(tcps_rcvwinprobe);
197 DO(tcps_rcvdupack);
198 DO(tcps_rcvacktoomuch);
199 DO(tcps_rcvackpack);
200 DO(tcps_rcvackbyte);
201 DO(tcps_rcvwinupd);
202 DO(tcps_pawsdrop);
203 DO(tcps_predack);
204 DO(tcps_preddat);
205 DO(tcps_pcbcachemiss);
206 DO(tcps_cachedrtt);
207 DO(tcps_cachedrttvar);
208 DO(tcps_cachedssthresh);
209 DO(tcps_usedrtt);
210 DO(tcps_usedrttvar);
211 DO(tcps_usedssthresh);
212 DO(tcps_persistdrop);
213 DO(tcps_badsyn);
214 DO(tcps_mturesent);
215 DO(tcps_listendrop);
216 #undef DO
219 void
220 showtcp(void)
222 struct tcp_stats stats;
224 memset(&stats, 0, sizeof stats);
225 domode(&stats);
227 #define DO(stat, row, col) \
228 mvwprintw(wnd, row, col, "%9lu", stats.stat)
229 #define L(row, stat) DO(stat, row, 0)
230 #define R(row, stat) DO(stat, row, 35)
231 L(2, tcps_connattempt); R(2, tcps_sndtotal);
232 L(3, tcps_accepts); R(3, tcps_sndpack);
233 L(4, tcps_connects); R(4, tcps_sndrexmitpack);
234 L(5, tcps_drops); R(5, tcps_sndacks);
235 L(6, tcps_conndrops); R(6, tcps_sndprobe);
236 L(7, tcps_timeoutdrop); R(7, tcps_sndwinup);
237 L(8, tcps_keepdrops); R(8, tcps_sndurg);
238 L(9, tcps_listendrop); R(9, tcps_sndctrl);
239 R(10, tcps_mturesent);
240 R(11, tcps_rcvtotal);
241 L(12, tcps_segstimed); R(12, tcps_rcvpack);
242 L(13, tcps_rttupdated); R(13, tcps_rcvduppack);
243 L(14, tcps_delack); R(14, tcps_rcvpartduppack);
244 L(15, tcps_rexmttimeo); R(15, tcps_rcvoopack);
245 L(16, tcps_persisttimeo); R(16, tcps_rcvdupack);
246 L(17, tcps_keepprobe); R(17, tcps_rcvackpack);
247 L(18, tcps_keeptimeo); R(18, tcps_rcvwinprobe);
248 R(19, tcps_rcvwinupd);
249 #undef DO
250 #undef L
251 #undef R
255 inittcp(void)
257 size_t len;
258 int name[4];
260 name[0] = CTL_NET;
261 name[1] = PF_INET;
262 name[2] = IPPROTO_TCP;
263 name[3] = TCPCTL_STATS;
265 len = 0;
266 if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
267 error("sysctl getting tcp_stats size failed");
268 return 0;
270 if (len > sizeof curstat) {
271 error("tcp_stats structure has grown--recompile systat!");
272 return 0;
274 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
275 error("sysctl getting tcp_stats failed");
276 return 0;
278 oldstat = initstat;
279 return 1;
282 void
283 resettcp(void)
285 size_t len;
286 int name[4];
288 name[0] = CTL_NET;
289 name[1] = PF_INET;
290 name[2] = IPPROTO_TCP;
291 name[3] = TCPCTL_STATS;
293 len = sizeof initstat;
294 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
295 error("sysctl getting tcp_stats failed");
297 oldstat = initstat;
300 void
301 fetchtcp(void)
303 int name[4];
304 size_t len;
306 oldstat = curstat;
307 name[0] = CTL_NET;
308 name[1] = PF_INET;
309 name[2] = IPPROTO_TCP;
310 name[3] = TCPCTL_STATS;
311 len = sizeof curstat;
313 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0)
314 return;