1 /*-
2 * Copyright (c) 1980, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
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. 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.
16 *
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
27 * SUCH DAMAGE.
28 *
29 * @(#)mbufs.c 8.1 (Berkeley) 6/6/93
30 * $FreeBSD: src/usr.bin/systat/ip.c,v 1.3.2.1 2001/04/25 12:42:18 ru Exp $
31 * $DragonFly: src/usr.bin/systat/ip.c,v 1.5 2004/05/03 15:18:25 hmp Exp $
32 */
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/in.h>
40 #include <netinet/in_systm.h>
41 #include <netinet/ip.h>
42 #include <netinet/ip_var.h>
43 #include <netinet/udp.h>
44 #include <netinet/udp_var.h>
45
46 #include <stdlib.h>
47 #include <string.h>
48 #include <paths.h>
49 #include "systat.h"
50 #include "extern.h"
51 #include "mode.h"
52
53 struct stat {
54 struct ip_stats i;
55 struct udpstat u;
56 };
57
58 static struct stat curstat, initstat, oldstat;
59
60 /*-
61 --0 1 2 3 4 5 6 7
62 --0123456789012345678901234567890123456789012345678901234567890123456789012345
63 01 IP Input IP Output
64 02999999999 total packets received 999999999 total packets sent
65 03999999999 - with bad checksums 999999999 - generated locally
66 04999999999 - too short for header 999999999 - output drops
67 05999999999 - too short for data 999999999 output fragments generated
68 06999999999 - with invalid hlen 999999999 - fragmentation failed
69 07999999999 - with invalid length 999999999 destinations unreachable
70 08999999999 - with invalid version 999999999 packets output via raw IP
71 09999999999 - jumbograms
72 10999999999 total fragments received UDP Statistics
73 11999999999 - fragments dropped 999999999 total input packets
74 12999999999 - fragments timed out 999999999 - too short for header
75 13999999999 - packets reassembled ok 999999999 - invalid checksum
76 14999999999 packets forwarded 999999999 - no checksum
77 15999999999 - unreachable dests 999999999 - invalid length
78 16999999999 - redirects generated 999999999 - no socket for dest port
79 17999999999 option errors 999999999 - no socket for broadcast
80 18999999999 unwanted multicasts 999999999 - socket buffer full
81 19999999999 delivered to upper layer 999999999 total output packets
82 --0123456789012345678901234567890123456789012345678901234567890123456789012345
83 --0 1 2 3 4 5 6 7
84 */
85
86 WINDOW *
openip(void)87 openip(void)
88 {
89 return (subwin(stdscr, LINES-4-1, 0, 4, 0));
90 }
91
92 void
closeip(WINDOW * w)93 closeip(WINDOW *w)
94 {
95 if (w == NULL)
96 return;
97 wclear(w);
98 wrefresh(w);
99 delwin(w);
100 }
101
102 void
labelip(void)103 labelip(void)
104 {
105 wmove(wnd, 0, 0); wclrtoeol(wnd);
106 #define L(row, str) mvwprintw(wnd, row, 10, str)
107 #define R(row, str) mvwprintw(wnd, row, 45, str);
108 L(1, "IP Input"); R(1, "IP Output");
109 L(2, "total packets received"); R(2, "total packets sent");
110 L(3, "- with bad checksums"); R(3, "- generated locally");
111 L(4, "- too short for header"); R(4, "- output drops");
112 L(5, "- too short for data"); R(5, "output fragments generated");
113 L(6, "- with invalid hlen"); R(6, "- fragmentation failed");
114 L(7, "- with invalid length"); R(7, "destinations unreachable");
115 L(8, "- with invalid version"); R(8, "packets output via raw IP");
116 L(9, "- jumbograms");
117 L(10, "total fragments received"); R(10, "UDP Statistics");
118 L(11, "- fragments dropped"); R(11, "total input packets");
119 L(12, "- fragments timed out"); R(12, "- too short for header");
120 L(13, "- packets reassembled ok"); R(13, "- invalid checksum");
121 L(14, "packets forwarded"); R(14, "- no checksum");
122 L(15, "- unreachable dests"); R(15, "- invalid length");
123 L(16, "- redirects generated"); R(16, "- no socket for dest port");
124 L(17, "option errors"); R(17, "- no socket for broadcast");
125 L(18, "unwanted multicasts"); R(18, "- socket buffer full");
126 L(19, "delivered to upper layer"); R(19, "total output packets");
127 #undef L
128 #undef R
129 }
130
131 static void
domode(struct stat * ret)132 domode(struct stat *ret)
133 {
134 const struct stat *sub;
135 double divisor = 1.0;
136
137 switch(currentmode) {
138 case display_RATE:
139 sub = &oldstat;
140 divisor = naptime;
141 break;
142 case display_DELTA:
143 sub = &oldstat;
144 break;
145 case display_SINCE:
146 sub = &initstat;
147 break;
148 default:
149 *ret = curstat;
150 return;
151 }
152 #define DO(stat) ret->stat = (double)(curstat.stat - sub->stat) / divisor
153 DO(i.ips_total);
154 DO(i.ips_badsum);
155 DO(i.ips_tooshort);
156 DO(i.ips_toosmall);
157 DO(i.ips_badhlen);
158 DO(i.ips_badlen);
159 DO(i.ips_fragments);
160 DO(i.ips_fragdropped);
161 DO(i.ips_fragtimeout);
162 DO(i.ips_forward);
163 DO(i.ips_cantforward);
164 DO(i.ips_redirectsent);
165 DO(i.ips_noproto);
166 DO(i.ips_delivered);
167 DO(i.ips_localout);
168 DO(i.ips_odropped);
169 DO(i.ips_reassembled);
170 DO(i.ips_fragmented);
171 DO(i.ips_ofragments);
172 DO(i.ips_cantfrag);
173 DO(i.ips_badoptions);
174 DO(i.ips_noroute);
175 DO(i.ips_badvers);
176 DO(i.ips_rawout);
177 DO(i.ips_toolong);
178 DO(i.ips_notmember);
179 DO(u.udps_ipackets);
180 DO(u.udps_hdrops);
181 DO(u.udps_badsum);
182 DO(u.udps_nosum);
183 DO(u.udps_badlen);
184 DO(u.udps_noport);
185 DO(u.udps_noportbcast);
186 DO(u.udps_fullsock);
187 DO(u.udps_opackets);
188 #undef DO
189 }
190
191 void
showip(void)192 showip(void)
193 {
194 struct stat stats;
195 u_long totalout;
196
197 domode(&stats);
198 totalout = stats.i.ips_forward + stats.i.ips_localout;
199
200 #define DO(stat, row, col) \
201 mvwprintw(wnd, row, col, "%9lu", stats.stat)
202
203 DO(i.ips_total, 2, 0);
204 mvwprintw(wnd, 2, 35, "%9lu", totalout);
205 DO(i.ips_badsum, 3, 0);
206 DO(i.ips_localout, 3, 35);
207 DO(i.ips_tooshort, 4, 0);
208 DO(i.ips_odropped, 4, 35);
209 DO(i.ips_toosmall, 5, 0);
210 DO(i.ips_ofragments, 5, 35);
211 DO(i.ips_badhlen, 6, 0);
212 DO(i.ips_cantfrag, 6, 35);
213 DO(i.ips_badlen, 7, 0);
214 DO(i.ips_noroute, 7, 35);
215 DO(i.ips_badvers, 8, 0);
216 DO(i.ips_rawout, 8, 35);
217 DO(i.ips_toolong, 9, 0);
218 DO(i.ips_fragments, 10, 0);
219 DO(i.ips_fragdropped, 11, 0);
220 DO(u.udps_ipackets, 11, 35);
221 DO(i.ips_fragtimeout, 12, 0);
222 DO(u.udps_hdrops, 12, 35);
223 DO(i.ips_reassembled, 13, 0);
224 DO(u.udps_badsum, 13, 35);
225 DO(i.ips_forward, 14, 0);
226 DO(u.udps_nosum, 14, 35);
227 DO(i.ips_cantforward, 15, 0);
228 DO(u.udps_badlen, 15, 35);
229 DO(i.ips_redirectsent, 16, 0);
230 DO(u.udps_noport, 16, 35);
231 DO(i.ips_badoptions, 17, 0);
232 DO(u.udps_noportbcast, 17, 35);
233 DO(i.ips_notmember, 18, 0);
234 DO(u.udps_fullsock, 18, 35);
235 DO(i.ips_delivered, 19, 0);
236 DO(u.udps_opackets, 19, 35);
237 #undef DO
238 }
239
240 #define CPU_STATS_FUNC(proto,type) \
241 static void \
242 proto ##_stats_agg(type *ary, type *ttl, int cpucnt) \
243 { \
244 int i, off, siz; \
245 siz = sizeof(type); \
246 \
247 if (!ary && !ttl) \
248 return; \
249 \
250 bzero(ttl, siz); \
251 if (cpucnt == 1) { \
252 *ttl = ary[0]; \
253 } else { \
254 for (i = 0; i < cpucnt; ++i) { \
255 for (off = 0; off < siz; off += sizeof(u_long)) { \
256 *(u_long *)((char *)(*(&ttl)) + off) += \
257 *(u_long *)((char *)&ary[i] + off); \
258 } \
259 } \
260 } \
261 }
262 CPU_STATS_FUNC(ip, struct ip_stats);
263 CPU_STATS_FUNC(udp, struct udpstat);
264
265 static int
fetch_ipstats(struct ip_stats * st)266 fetch_ipstats(struct ip_stats *st)
267 {
268 struct ip_stats stattmp[SMP_MAXCPU];
269 size_t len;
270 int name[4], cpucnt;
271
272 name[0] = CTL_NET;
273 name[1] = PF_INET;
274 name[2] = IPPROTO_IP;
275 name[3] = IPCTL_STATS;
276
277 len = sizeof(struct ip_stats) * SMP_MAXCPU;
278 if (sysctl(name, 4, stattmp, &len, NULL, 0) < 0) {
279 error("sysctl getting ip_stats failed");
280 return -1;
281 }
282 cpucnt = len / sizeof(struct ip_stats);
283 ip_stats_agg(stattmp, st, cpucnt);
284
285 return 0;
286 }
287
288 static int
fetch_udpstat(struct udpstat * st)289 fetch_udpstat(struct udpstat *st)
290 {
291 struct udpstat stattmp[SMP_MAXCPU];
292 size_t len;
293 int name[4], cpucnt;
294
295 name[0] = CTL_NET;
296 name[1] = PF_INET;
297 name[2] = IPPROTO_UDP;
298 name[3] = UDPCTL_STATS;
299
300 len = sizeof(struct udpstat) * SMP_MAXCPU;
301 if (sysctl(name, 4, stattmp, &len, NULL, 0) < 0) {
302 error("sysctl getting udpstat failed");
303 return -1;
304 }
305 cpucnt = len / sizeof(struct udpstat);
306 udp_stats_agg(stattmp, st, cpucnt);
307
308 return 0;
309 }
310
311 int
initip(void)312 initip(void)
313 {
314 if (fetch_ipstats(&initstat.i) < 0)
315 return 0;
316
317 if (fetch_udpstat(&initstat.u) < 0)
318 return 0;
319
320 oldstat = initstat;
321 curstat = initstat;
322 return 1;
323 }
324
325 void
resetip(void)326 resetip(void)
327 {
328 fetch_ipstats(&initstat.i);
329 fetch_udpstat(&initstat.u);
330
331 oldstat = initstat;
332 }
333
334 void
fetchip(void)335 fetchip(void)
336 {
337 oldstat = curstat;
338
339 if (fetch_ipstats(&curstat.i) < 0)
340 return;
341
342 if (fetch_udpstat(&curstat.u) < 0)
343 return;
344 }
345