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 * 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.
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
30 #include <sys/cdefs.h>
31
32 __FBSDID("$FreeBSD$");
33
34 #ifdef lint
35 static const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93";
36 #endif
37
38 /* From:
39 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp"
40 */
41
42 #ifdef INET6
43 #include <sys/param.h>
44 #include <sys/types.h>
45 #include <sys/socket.h>
46 #include <sys/sysctl.h>
47
48 #include <netinet/in.h>
49 #include <netinet/in_systm.h>
50 #include <netinet/ip.h>
51 #include <netinet6/ip6_var.h>
52
53 #include <stdlib.h>
54 #include <string.h>
55 #include <paths.h>
56
57 #include "systat.h"
58 #include "extern.h"
59 #include "mode.h"
60
61 static struct ip6stat curstat, initstat, oldstat;
62
63 /*-
64 --0 1 2 3 4 5 6 7
65 --0123456789012345678901234567890123456789012345678901234567890123456789012345
66 00 IPv6 Input IPv6 Output
67 019999999 total packets received 999999999 total packets sent
68 029999999 - too short for header 999999999 - generated locally
69 039999999 - too short for data 999999999 - output drops
70 049999999 - with invalid version 999999999 output fragments generated
71 059999999 total fragments received 999999999 - fragmentation failed
72 069999999 - fragments dropped 999999999 destinations unreachable
73 079999999 - fragments timed out 999999999 packets output via raw IP
74 089999999 - fragments overflown
75 099999999 - packets reassembled ok Input next-header histogram
76 109999999 packets forwarded 999999999 - destination options
77 119999999 - unreachable dests 999999999 - hop-by-hop options
78 129999999 - redirects generated 999999999 - IPv4
79 139999999 option errors 999999999 - TCP
80 149999999 unwanted multicasts 999999999 - UDP
81 159999999 delivered to upper layer 999999999 - IPv6
82 169999999 bad scope packets 999999999 - routing header
83 179999999 address selection failed 999999999 - fragmentation header
84 18 999999999 - ICMP6
85 19 999999999 - none
86 --0123456789012345678901234567890123456789012345678901234567890123456789012345
87 --0 1 2 3 4 5 6 7
88 */
89
90 WINDOW *
openip6(void)91 openip6(void)
92 {
93 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
94 }
95
96 void
closeip6(WINDOW * w)97 closeip6(WINDOW *w)
98 {
99 if (w == NULL)
100 return;
101 wclear(w);
102 wrefresh(w);
103 delwin(w);
104 }
105
106 void
labelip6(void)107 labelip6(void)
108 {
109 wmove(wnd, 0, 0); wclrtoeol(wnd);
110 #define L(row, str) mvwprintw(wnd, row, 10, str)
111 #define R(row, str) mvwprintw(wnd, row, 45, str);
112 L(0, "IPv6 Input"); R(0, "IPv6 Output");
113 L(1, "total packets received"); R(1, "total packets sent");
114 L(2, "- too short for header"); R(2, "- generated locally");
115 L(3, "- too short for data"); R(3, "- output drops");
116 L(4, "- with invalid version"); R(4, "output fragments generated");
117 L(5, "total fragments received"); R(5, "- fragmentation failed");
118 L(6, "- fragments dropped"); R(6, "destinations unreachable");
119 L(7, "- fragments timed out"); R(7, "packets output via raw IP");
120 L(8, "- fragments overflown");
121 L(9, "- packets reassembled ok"); R(9, "Input next-header histogram");
122 L(10, "packets forwarded"); R(10, " - destination options");
123 L(11, "- unreachable dests"); R(11, " - hop-by-hop options");
124 L(12, "- redirects generated"); R(12, " - IPv4");
125 L(13, "option errors"); R(13, " - TCP");
126 L(14, "unwanted multicasts"); R(14, " - UDP");
127 L(15, "delivered to upper layer"); R(15, " - IPv6");
128 L(16, "bad scope packets"); R(16, " - routing header");
129 L(17, "address selection failed"); R(17, " - fragmentation header");
130 R(18, " - ICMP6");
131 R(19, " - none");
132 #undef L
133 #undef R
134 }
135
136 static void
domode(struct ip6stat * ret)137 domode(struct ip6stat *ret)
138 {
139 const struct ip6stat *sub;
140 int divisor = 1, i;
141
142 switch(currentmode) {
143 case display_RATE:
144 sub = &oldstat;
145 divisor = (delay > 1000000) ? delay / 1000000 : 1;
146 break;
147 case display_DELTA:
148 sub = &oldstat;
149 break;
150 case display_SINCE:
151 sub = &initstat;
152 break;
153 default:
154 *ret = curstat;
155 return;
156 }
157 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
158 DO(ip6s_total);
159 DO(ip6s_tooshort);
160 DO(ip6s_toosmall);
161 DO(ip6s_fragments);
162 DO(ip6s_fragdropped);
163 DO(ip6s_fragtimeout);
164 DO(ip6s_fragoverflow);
165 DO(ip6s_forward);
166 DO(ip6s_cantforward);
167 DO(ip6s_redirectsent);
168 DO(ip6s_delivered);
169 DO(ip6s_localout);
170 DO(ip6s_odropped);
171 DO(ip6s_reassembled);
172 DO(ip6s_fragmented);
173 DO(ip6s_ofragments);
174 DO(ip6s_cantfrag);
175 DO(ip6s_badoptions);
176 DO(ip6s_noroute);
177 DO(ip6s_badvers);
178 DO(ip6s_rawout);
179 DO(ip6s_notmember);
180 for (i = 0; i < 256; i++)
181 DO(ip6s_nxthist[i]);
182 DO(ip6s_badscope);
183 DO(ip6s_sources_none);
184 #undef DO
185 }
186
187 void
showip6(void)188 showip6(void)
189 {
190 struct ip6stat stats;
191 u_long totalout;
192
193 domode(&stats);
194 totalout = stats.ip6s_forward + stats.ip6s_localout;
195
196 #define DO(stat, row, col) \
197 mvwprintw(wnd, row, col, "%9lu", stats.stat)
198
199 DO(ip6s_total, 1, 0);
200 mvwprintw(wnd, 1, 35, "%9lu", totalout);
201 DO(ip6s_tooshort, 2, 0);
202 DO(ip6s_localout, 2, 35);
203 DO(ip6s_toosmall, 3, 0);
204 DO(ip6s_odropped, 3, 35);
205 DO(ip6s_badvers, 4, 0);
206 DO(ip6s_ofragments, 4, 35);
207 DO(ip6s_fragments, 5, 0);
208 DO(ip6s_cantfrag, 5, 35);
209 DO(ip6s_fragdropped, 6, 0);
210 DO(ip6s_noroute, 6, 35);
211 DO(ip6s_fragtimeout, 7, 0);
212 DO(ip6s_rawout, 7, 35);
213 DO(ip6s_fragoverflow, 8, 0);
214 DO(ip6s_reassembled, 9, 0);
215 DO(ip6s_forward, 10, 0);
216 DO(ip6s_nxthist[IPPROTO_DSTOPTS], 10, 35);
217 DO(ip6s_cantforward, 11, 0);
218 DO(ip6s_nxthist[IPPROTO_HOPOPTS], 11, 35);
219 DO(ip6s_redirectsent, 12, 0);
220 DO(ip6s_nxthist[IPPROTO_IPV4], 12, 35);
221 DO(ip6s_badoptions, 13, 0);
222 DO(ip6s_nxthist[IPPROTO_TCP], 13, 35);
223 DO(ip6s_notmember, 14, 0);
224 DO(ip6s_nxthist[IPPROTO_UDP], 14, 35);
225 DO(ip6s_delivered, 15, 0);
226 DO(ip6s_nxthist[IPPROTO_IPV6], 15, 35);
227 DO(ip6s_badscope, 16, 0);
228 DO(ip6s_nxthist[IPPROTO_ROUTING], 16, 35);
229 DO(ip6s_sources_none, 17, 0);
230 DO(ip6s_nxthist[IPPROTO_FRAGMENT], 17, 35);
231 DO(ip6s_nxthist[IPPROTO_ICMPV6], 18, 35);
232 DO(ip6s_nxthist[IPPROTO_NONE], 19, 35);
233 #undef DO
234 }
235
236 int
initip6(void)237 initip6(void)
238 {
239 size_t len;
240 int name[4];
241
242 name[0] = CTL_NET;
243 name[1] = PF_INET6;
244 name[2] = IPPROTO_IPV6;
245 name[3] = IPV6CTL_STATS;
246
247 len = 0;
248 if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
249 error("sysctl getting ip6stat size failed");
250 return 0;
251 }
252 if (len > sizeof curstat) {
253 error("ip6stat structure has grown--recompile systat!");
254 return 0;
255 }
256 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
257 error("sysctl getting ip6stat failed");
258 return 0;
259 }
260 oldstat = initstat;
261 return 1;
262 }
263
264 void
resetip6(void)265 resetip6(void)
266 {
267 size_t len;
268 int name[4];
269
270 name[0] = CTL_NET;
271 name[1] = PF_INET6;
272 name[2] = IPPROTO_IPV6;
273 name[3] = IPV6CTL_STATS;
274
275 len = sizeof initstat;
276 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
277 error("sysctl getting ipstat failed");
278 }
279
280 oldstat = initstat;
281 }
282
283 void
fetchip6(void)284 fetchip6(void)
285 {
286 int name[4];
287 size_t len;
288
289 oldstat = curstat;
290 name[0] = CTL_NET;
291 name[1] = PF_INET6;
292 name[2] = IPPROTO_IPV6;
293 name[3] = IPV6CTL_STATS;
294 len = sizeof curstat;
295
296 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0)
297 return;
298 }
299
300 #endif
301