1 /* $NetBSD: ip6.c,v 1.16 2014/06/03 22:22:41 joerg Exp $ */
2
3 /*
4 * Copyright (c) 1999, 2000 Andrew Doran <ad@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 1.16 2014/06/03 22:22:41 joerg 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 <string.h>
44
45 #include "systat.h"
46 #include "extern.h"
47
48 #define LHD(row, str) mvwprintw(wnd, row, 10, str)
49 #define RHD(row, str) mvwprintw(wnd, row, 45, str);
50 #define SHOW(stat, row, col) \
51 mvwprintw(wnd, row, col, "%9llu", (unsigned long long)curstat[stat])
52
53 enum update {
54 UPDATE_TIME,
55 UPDATE_BOOT,
56 UPDATE_RUN,
57 };
58
59 static enum update update = UPDATE_TIME;
60 static uint64_t curstat[IP6_NSTATS];
61 static uint64_t newstat[IP6_NSTATS];
62 static uint64_t oldstat[IP6_NSTATS];
63
64 WINDOW *
openip6(void)65 openip6(void)
66 {
67
68 return (subwin(stdscr, -1, 0, 5, 0));
69 }
70
71 void
closeip6(WINDOW * w)72 closeip6(WINDOW *w)
73 {
74
75 if (w != NULL) {
76 wclear(w);
77 wrefresh(w);
78 delwin(w);
79 }
80 }
81
82 void
labelip6(void)83 labelip6(void)
84 {
85
86 wmove(wnd, 0, 0); wclrtoeol(wnd);
87
88 LHD(0, "total packet received");
89 LHD(1, " smaller than minimum");
90 LHD(2, " data size < data length");
91 LHD(3, " bad options");
92 LHD(4, " incorrect version no");
93 LHD(5, " headers not continuous");
94 LHD(6, " packet for this host");
95 LHD(7, " multicast we don't join");
96 LHD(8, " too many headers");
97 LHD(9, " tunneled packet w/o gif");
98
99 LHD(11, " fragment received");
100 LHD(12, " fragment dropped");
101 LHD(13, " fragment timeout");
102 LHD(14, " fragment exceeded limit");
103 LHD(15, " packet reassembled ok");
104
105 #if 0
106 LHD(17, "one mbuf");
107 LHD(18, "one ext mbuf");
108 LHD(19, "two or more ext mbuf");
109 LHD(20, "two or more mbuf");
110 #endif
111
112 RHD(0, "packet forwarded");
113 RHD(1, " packet not forwardable");
114 RHD(2, " redirect sent");
115
116 RHD(4, "packet sent from this host");
117 RHD(5, " fabricated ip header");
118 RHD(6, " dropped output (no bufs)");
119 RHD(7, " dropped output (no route)");
120 RHD(8, " output datagram fragmented");
121 RHD(9, " fragment created");
122 RHD(10, " can't be fragmented");
123
124 RHD(12, "violated scope rules");
125 }
126
127 void
showip6(void)128 showip6(void)
129 {
130 #if 0
131 u_quad_t m2m;
132 int i;
133
134 m2m = 0;
135 for (i = 0; i < 32; i++) {
136 m2m += curstat[IP6_STAT_M2M + i];
137 }
138 #endif
139
140 SHOW(IP6_STAT_TOTAL, 0, 0);
141 SHOW(IP6_STAT_TOOSMALL, 1, 0);
142 SHOW(IP6_STAT_TOOSHORT, 2, 0);
143 SHOW(IP6_STAT_BADOPTIONS, 3, 0);
144 SHOW(IP6_STAT_BADVERS, 4, 0);
145 SHOW(IP6_STAT_EXTHDRTOOLONG, 5, 0);
146 SHOW(IP6_STAT_DELIVERED, 6, 0);
147 SHOW(IP6_STAT_NOTMEMBER, 7, 0);
148 SHOW(IP6_STAT_TOOMANYHDR, 8, 0);
149 SHOW(IP6_STAT_NOGIF, 9, 0);
150
151 SHOW(IP6_STAT_FRAGMENTS, 11, 0);
152 SHOW(IP6_STAT_FRAGDROPPED, 12, 0);
153 SHOW(IP6_STAT_FRAGTIMEOUT, 13, 0);
154 SHOW(IP6_STAT_FRAGOVERFLOW, 14, 0);
155 SHOW(IP6_STAT_REASSEMBLED, 15, 0);
156
157 #if 0
158 SHOW(IP6_STAT_M1, 17, 0);
159 SHOW(IP6_STAT_MEXT1, 18, 0);
160 SHOW(IP6_STAT_MEXT2M, 19, 0);
161 mvwprintw(wnd, 20, 0, "%9llu", (unsigned long long)m2m);
162 #endif
163
164 SHOW(IP6_STAT_FORWARD, 0, 35);
165 SHOW(IP6_STAT_CANTFORWARD, 1, 35);
166 SHOW(IP6_STAT_REDIRECTSENT, 2, 35);
167
168 SHOW(IP6_STAT_LOCALOUT, 4, 35);
169 SHOW(IP6_STAT_RAWOUT, 5, 35);
170 SHOW(IP6_STAT_ODROPPED, 6, 35);
171 SHOW(IP6_STAT_NOROUTE, 7, 35);
172 SHOW(IP6_STAT_FRAGMENTED, 8, 35);
173 SHOW(IP6_STAT_OFRAGMENTS, 9, 35);
174 SHOW(IP6_STAT_CANTFRAG, 10, 35);
175
176 SHOW(IP6_STAT_BADSCOPE, 12, 35);
177 }
178
179 int
initip6(void)180 initip6(void)
181 {
182
183 return 1;
184 }
185
186 void
fetchip6(void)187 fetchip6(void)
188 {
189 size_t i, size = sizeof(newstat);
190
191 if (sysctlbyname("net.inet6.ip6.stats", newstat, &size, NULL, 0) == -1)
192 return;
193
194 for (i = 0; i < IP6_NSTATS; i++)
195 xADJINETCTR(curstat, oldstat, newstat, i);
196
197 if (update == UPDATE_TIME)
198 memcpy(oldstat, newstat, sizeof(oldstat));
199 }
200
201 void
ip6_boot(char * args)202 ip6_boot(char *args)
203 {
204
205 memset(oldstat, 0, sizeof(oldstat));
206 update = UPDATE_BOOT;
207 }
208
209 void
ip6_run(char * args)210 ip6_run(char *args)
211 {
212
213 if (update != UPDATE_RUN) {
214 memcpy(oldstat, newstat, sizeof(oldstat));
215 update = UPDATE_RUN;
216 }
217 }
218
219 void
ip6_time(char * args)220 ip6_time(char *args)
221 {
222
223 if (update != UPDATE_TIME) {
224 memcpy(oldstat, newstat, sizeof(oldstat));
225 update = UPDATE_TIME;
226 }
227 }
228
229 void
ip6_zero(char * args)230 ip6_zero(char *args)
231 {
232
233 if (update == UPDATE_RUN)
234 memcpy(oldstat, newstat, sizeof(oldstat));
235 }
236