ip6.c revision 1.9 1 /* $NetBSD: ip6.c,v 1.9 2000/12/20 01:16:42 cgd Exp $ */
2
3 /*
4 * Copyright (c) 1999, 2000 Andrew Doran <ad (at) NetBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 */
29
30 #include <sys/cdefs.h>
31 #ifndef lint
32 __RCSID("$NetBSD: ip6.c,v 1.9 2000/12/20 01:16:42 cgd Exp $");
33 #endif /* not lint */
34
35 #include <sys/param.h>
36 #include <sys/sysctl.h>
37
38 #include <netinet/in.h>
39 #include <netinet/in_systm.h>
40 #include <netinet/ip6.h>
41 #include <netinet6/ip6_var.h>
42
43 #include <kvm.h>
44 #include <string.h>
45
46 #include "systat.h"
47 #include "extern.h"
48
49 #define LHD(row, str) mvwprintw(wnd, row, 10, str)
50 #define RHD(row, str) mvwprintw(wnd, row, 45, str);
51 #define SHOW(stat, row, col) \
52 mvwprintw(wnd, row, col, "%9llu", (unsigned long long)curstat.stat)
53
54 enum update {
55 UPDATE_TIME,
56 UPDATE_BOOT,
57 UPDATE_RUN,
58 };
59
60 static enum update update = UPDATE_TIME;
61 static struct ip6stat curstat;
62 static struct ip6stat newstat;
63 static struct ip6stat oldstat;
64
65 static struct nlist namelist[] = {
66 { "_ip6stat" },
67 { "" }
68 };
69
70 WINDOW *
71 openip6(void)
72 {
73
74 return (subwin(stdscr, LINES-5-1, 0, 5, 0));
75 }
76
77 void
78 closeip6(WINDOW *w)
79 {
80
81 if (w != NULL) {
82 wclear(w);
83 wrefresh(w);
84 delwin(w);
85 }
86 }
87
88 void
89 labelip6(void)
90 {
91
92 wmove(wnd, 0, 0); wclrtoeol(wnd);
93
94 LHD(0, "total packet received");
95 LHD(1, " smaller than minimum");
96 LHD(2, " data size < data length");
97 LHD(3, " bad options");
98 LHD(4, " incorrect version no");
99 LHD(5, " headers not continuous");
100 LHD(6, " packet for this host");
101 LHD(7, " multicast we don't join");
102 LHD(8, " too many headers");
103 LHD(9, " tunneled packet w/o gif");
104
105 LHD(11, " fragment received");
106 LHD(12, " fragment dropped");
107 LHD(13, " fragment timeout");
108 LHD(14, " fragment exceeded limit");
109 LHD(15, " packet reassembled ok");
110
111 #if 0
112 LHD(17, "one mbuf");
113 LHD(18, "one ext mbuf");
114 LHD(19, "two or more ext mbuf");
115 LHD(20, "two or more mbuf");
116 #endif
117
118 RHD(0, "packet forwarded");
119 RHD(1, " packet not forwardable");
120 RHD(2, " redirect sent");
121
122 RHD(4, "packet sent from this host");
123 RHD(5, " fabricated ip header");
124 RHD(6, " dropped output (no bufs)");
125 RHD(7, " dropped output (no route)");
126 RHD(8, " output datagram fragmented");
127 RHD(9, " fragment created");
128 RHD(10, " can't be fragmented");
129
130 RHD(12, "violated scope rules");
131 }
132
133 void
134 showip6(void)
135 {
136 #if 0
137 u_quad_t m2m;
138 int i;
139
140 m2m = 0;
141 for (i = 0;
142 i < sizeof(curstat.ip6s_m2m)/sizeof(curstat.ip6s_m2m[0]);
143 i++) {
144 m2m += curstat.ip6s_m2m[i];
145 }
146 #endif
147
148 SHOW(ip6s_total, 0, 0);
149 SHOW(ip6s_toosmall, 1, 0);
150 SHOW(ip6s_tooshort, 2, 0);
151 SHOW(ip6s_badoptions, 3, 0);
152 SHOW(ip6s_badvers, 4, 0);
153 SHOW(ip6s_exthdrtoolong, 5, 0);
154 SHOW(ip6s_delivered, 6, 0);
155 SHOW(ip6s_notmember, 7, 0);
156 SHOW(ip6s_toomanyhdr, 8, 0);
157 SHOW(ip6s_nogif, 9, 0);
158
159 SHOW(ip6s_fragments, 11, 0);
160 SHOW(ip6s_fragdropped, 12, 0);
161 SHOW(ip6s_fragtimeout, 13, 0);
162 SHOW(ip6s_fragoverflow, 14, 0);
163 SHOW(ip6s_reassembled, 15, 0);
164
165 #if 0
166 SHOW(ip6s_m1, 17, 0);
167 SHOW(ip6s_mext1, 18, 0);
168 SHOW(ip6s_mext2m, 19, 0);
169 mvwprintw(wnd, 20, 0, "%9llu", (unsigned long long)m2m);
170 #endif
171
172 SHOW(ip6s_forward, 0, 35);
173 SHOW(ip6s_cantforward, 1, 35);
174 SHOW(ip6s_redirectsent, 2, 35);
175
176 SHOW(ip6s_localout, 4, 35);
177 SHOW(ip6s_rawout, 5, 35);
178 SHOW(ip6s_odropped, 6, 35);
179 SHOW(ip6s_noroute, 7, 35);
180 SHOW(ip6s_fragmented, 8, 35);
181 SHOW(ip6s_ofragments, 9, 35);
182 SHOW(ip6s_cantfrag, 10, 35);
183
184 SHOW(ip6s_badscope, 12, 35);
185 }
186
187 int
188 initip6(void)
189 {
190 int n;
191
192 if (namelist[0].n_type == 0) {
193 n = kvm_nlist(kd, namelist);
194 if (n < 0) {
195 nlisterr(namelist);
196 return(0);
197 } else if (n == sizeof(namelist) / sizeof(namelist[0]) - 1) {
198 error("No namelist");
199 return(0);
200 }
201 }
202 return 1;
203 }
204
205 void
206 fetchip6(void)
207 {
208
209 KREAD((void *)namelist[0].n_value, &newstat, sizeof(newstat));
210
211 ADJINETCTR(curstat, oldstat, newstat, ip6s_total);
212 ADJINETCTR(curstat, oldstat, newstat, ip6s_toosmall);
213 ADJINETCTR(curstat, oldstat, newstat, ip6s_tooshort);
214 ADJINETCTR(curstat, oldstat, newstat, ip6s_badoptions);
215 ADJINETCTR(curstat, oldstat, newstat, ip6s_badvers);
216 ADJINETCTR(curstat, oldstat, newstat, ip6s_exthdrtoolong);
217 ADJINETCTR(curstat, oldstat, newstat, ip6s_delivered);
218 ADJINETCTR(curstat, oldstat, newstat, ip6s_notmember);
219 ADJINETCTR(curstat, oldstat, newstat, ip6s_toomanyhdr);
220 ADJINETCTR(curstat, oldstat, newstat, ip6s_nogif);
221 ADJINETCTR(curstat, oldstat, newstat, ip6s_fragments);
222 ADJINETCTR(curstat, oldstat, newstat, ip6s_fragdropped);
223 ADJINETCTR(curstat, oldstat, newstat, ip6s_fragtimeout);
224 ADJINETCTR(curstat, oldstat, newstat, ip6s_fragoverflow);
225 ADJINETCTR(curstat, oldstat, newstat, ip6s_reassembled);
226 ADJINETCTR(curstat, oldstat, newstat, ip6s_m1);
227 ADJINETCTR(curstat, oldstat, newstat, ip6s_mext1);
228 ADJINETCTR(curstat, oldstat, newstat, ip6s_mext2m);
229 ADJINETCTR(curstat, oldstat, newstat, ip6s_forward);
230 ADJINETCTR(curstat, oldstat, newstat, ip6s_cantforward);
231 ADJINETCTR(curstat, oldstat, newstat, ip6s_redirectsent);
232 ADJINETCTR(curstat, oldstat, newstat, ip6s_localout);
233 ADJINETCTR(curstat, oldstat, newstat, ip6s_rawout);
234 ADJINETCTR(curstat, oldstat, newstat, ip6s_odropped);
235 ADJINETCTR(curstat, oldstat, newstat, ip6s_noroute);
236 ADJINETCTR(curstat, oldstat, newstat, ip6s_fragmented);
237 ADJINETCTR(curstat, oldstat, newstat, ip6s_ofragments);
238 ADJINETCTR(curstat, oldstat, newstat, ip6s_cantfrag);
239 ADJINETCTR(curstat, oldstat, newstat, ip6s_badscope);
240
241 if (update == UPDATE_TIME)
242 memcpy(&oldstat, &newstat, sizeof(oldstat));
243 }
244
245 void
246 ip6_boot(char *args)
247 {
248
249 memset(&oldstat, 0, sizeof(oldstat));
250 update = UPDATE_BOOT;
251 }
252
253 void
254 ip6_run(char *args)
255 {
256
257 if (update != UPDATE_RUN) {
258 memcpy(&oldstat, &newstat, sizeof(oldstat));
259 update = UPDATE_RUN;
260 }
261 }
262
263 void
264 ip6_time(char *args)
265 {
266
267 if (update != UPDATE_TIME) {
268 memcpy(&oldstat, &newstat, sizeof(oldstat));
269 update = UPDATE_TIME;
270 }
271 }
272
273 void
274 ip6_zero(char *args)
275 {
276
277 if (update == UPDATE_RUN)
278 memcpy(&oldstat, &newstat, sizeof(oldstat));
279 }
280