1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1980, 1992, 1993
5 * The Regents of the University of California. 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 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33
34 __FBSDID("$FreeBSD$");
35
36 #ifdef lint
37 static const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93";
38 #endif
39
40 /* From:
41 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp"
42 */
43
44 #ifdef INET6
45 #include <sys/param.h>
46 #include <sys/types.h>
47 #include <sys/socket.h>
48 #include <sys/sysctl.h>
49
50 #include <netinet/in.h>
51 #include <netinet/in_systm.h>
52 #include <netinet/ip.h>
53 #include <netinet6/ip6_var.h>
54
55 #include <inttypes.h>
56 #include <stdlib.h>
57 #include <string.h>
58 #include <paths.h>
59
60 #include "systat.h"
61 #include "extern.h"
62 #include "mode.h"
63
64 static struct ip6stat curstat, initstat, oldstat;
65
66 /*-
67 --0 1 2 3 4 5 6 7
68 --0123456789012345678901234567890123456789012345678901234567890123456789012345
69 00 IPv6 Input IPv6 Output
70 019999999 total packets received 999999999 total packets sent
71 029999999 - too short for header 999999999 - generated locally
72 039999999 - too short for data 999999999 - output drops
73 049999999 - with invalid version 999999999 output fragments generated
74 059999999 total fragments received 999999999 - fragmentation failed
75 069999999 - fragments dropped 999999999 destinations unreachable
76 079999999 - fragments timed out 999999999 packets output via raw IP
77 089999999 - fragments overflown
78 099999999 - packets reassembled ok Input next-header histogram
79 109999999 packets forwarded 999999999 - destination options
80 119999999 - unreachable dests 999999999 - hop-by-hop options
81 129999999 - redirects generated 999999999 - IPv4
82 139999999 option errors 999999999 - TCP
83 149999999 unwanted multicasts 999999999 - UDP
84 159999999 delivered to upper layer 999999999 - IPv6
85 169999999 bad scope packets 999999999 - routing header
86 179999999 address selection failed 999999999 - fragmentation header
87 18 999999999 - ICMP6
88 19 999999999 - none
89 --0123456789012345678901234567890123456789012345678901234567890123456789012345
90 --0 1 2 3 4 5 6 7
91 */
92
93 WINDOW *
openip6(void)94 openip6(void)
95 {
96 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
97 }
98
99 void
closeip6(WINDOW * w)100 closeip6(WINDOW *w)
101 {
102 if (w == NULL)
103 return;
104 wclear(w);
105 wrefresh(w);
106 delwin(w);
107 }
108
109 void
labelip6(void)110 labelip6(void)
111 {
112 wmove(wnd, 0, 0); wclrtoeol(wnd);
113 #define L(row, str) mvwprintw(wnd, row, 10, str)
114 #define R(row, str) mvwprintw(wnd, row, 45, str);
115 L(0, "IPv6 Input"); R(0, "IPv6 Output");
116 L(1, "total packets received"); R(1, "total packets sent");
117 L(2, "- too short for header"); R(2, "- generated locally");
118 L(3, "- too short for data"); R(3, "- output drops");
119 L(4, "- with invalid version"); R(4, "output fragments generated");
120 L(5, "total fragments received"); R(5, "- fragmentation failed");
121 L(6, "- fragments dropped"); R(6, "destinations unreachable");
122 L(7, "- fragments timed out"); R(7, "packets output via raw IP");
123 L(8, "- fragments overflown");
124 L(9, "- packets reassembled ok"); R(9, "Input next-header histogram");
125 L(10, "packets forwarded"); R(10, " - destination options");
126 L(11, "- unreachable dests"); R(11, " - hop-by-hop options");
127 L(12, "- redirects generated"); R(12, " - IPv4");
128 L(13, "option errors"); R(13, " - TCP");
129 L(14, "unwanted multicasts"); R(14, " - UDP");
130 L(15, "delivered to upper layer"); R(15, " - IPv6");
131 L(16, "bad scope packets"); R(16, " - routing header");
132 L(17, "address selection failed"); R(17, " - fragmentation header");
133 R(18, " - ICMP6");
134 R(19, " - none");
135 #undef L
136 #undef R
137 }
138
139 static void
domode(struct ip6stat * ret)140 domode(struct ip6stat *ret)
141 {
142 const struct ip6stat *sub;
143 int divisor = 1, i;
144
145 switch(currentmode) {
146 case display_RATE:
147 sub = &oldstat;
148 divisor = (delay > 1000000) ? delay / 1000000 : 1;
149 break;
150 case display_DELTA:
151 sub = &oldstat;
152 break;
153 case display_SINCE:
154 sub = &initstat;
155 break;
156 default:
157 *ret = curstat;
158 return;
159 }
160 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
161 DO(ip6s_total);
162 DO(ip6s_tooshort);
163 DO(ip6s_toosmall);
164 DO(ip6s_fragments);
165 DO(ip6s_fragdropped);
166 DO(ip6s_fragtimeout);
167 DO(ip6s_fragoverflow);
168 DO(ip6s_forward);
169 DO(ip6s_cantforward);
170 DO(ip6s_redirectsent);
171 DO(ip6s_delivered);
172 DO(ip6s_localout);
173 DO(ip6s_odropped);
174 DO(ip6s_reassembled);
175 DO(ip6s_fragmented);
176 DO(ip6s_ofragments);
177 DO(ip6s_cantfrag);
178 DO(ip6s_badoptions);
179 DO(ip6s_noroute);
180 DO(ip6s_badvers);
181 DO(ip6s_rawout);
182 DO(ip6s_notmember);
183 for (i = 0; i < 256; i++)
184 DO(ip6s_nxthist[i]);
185 DO(ip6s_badscope);
186 DO(ip6s_sources_none);
187 #undef DO
188 }
189
190 void
showip6(void)191 showip6(void)
192 {
193 struct ip6stat stats;
194 uint64_t totalout;
195
196 domode(&stats);
197 totalout = stats.ip6s_forward + stats.ip6s_localout;
198
199 #define DO(stat, row, col) \
200 mvwprintw(wnd, row, col, "%9"PRIu64, stats.stat)
201
202 DO(ip6s_total, 1, 0);
203 mvwprintw(wnd, 1, 35, "%9"PRIu64, totalout);
204 DO(ip6s_tooshort, 2, 0);
205 DO(ip6s_localout, 2, 35);
206 DO(ip6s_toosmall, 3, 0);
207 DO(ip6s_odropped, 3, 35);
208 DO(ip6s_badvers, 4, 0);
209 DO(ip6s_ofragments, 4, 35);
210 DO(ip6s_fragments, 5, 0);
211 DO(ip6s_cantfrag, 5, 35);
212 DO(ip6s_fragdropped, 6, 0);
213 DO(ip6s_noroute, 6, 35);
214 DO(ip6s_fragtimeout, 7, 0);
215 DO(ip6s_rawout, 7, 35);
216 DO(ip6s_fragoverflow, 8, 0);
217 DO(ip6s_reassembled, 9, 0);
218 DO(ip6s_forward, 10, 0);
219 DO(ip6s_nxthist[IPPROTO_DSTOPTS], 10, 35);
220 DO(ip6s_cantforward, 11, 0);
221 DO(ip6s_nxthist[IPPROTO_HOPOPTS], 11, 35);
222 DO(ip6s_redirectsent, 12, 0);
223 DO(ip6s_nxthist[IPPROTO_IPV4], 12, 35);
224 DO(ip6s_badoptions, 13, 0);
225 DO(ip6s_nxthist[IPPROTO_TCP], 13, 35);
226 DO(ip6s_notmember, 14, 0);
227 DO(ip6s_nxthist[IPPROTO_UDP], 14, 35);
228 DO(ip6s_delivered, 15, 0);
229 DO(ip6s_nxthist[IPPROTO_IPV6], 15, 35);
230 DO(ip6s_badscope, 16, 0);
231 DO(ip6s_nxthist[IPPROTO_ROUTING], 16, 35);
232 DO(ip6s_sources_none, 17, 0);
233 DO(ip6s_nxthist[IPPROTO_FRAGMENT], 17, 35);
234 DO(ip6s_nxthist[IPPROTO_ICMPV6], 18, 35);
235 DO(ip6s_nxthist[IPPROTO_NONE], 19, 35);
236 #undef DO
237 }
238
239 int
initip6(void)240 initip6(void)
241 {
242 size_t len;
243 int name[4];
244
245 name[0] = CTL_NET;
246 name[1] = PF_INET6;
247 name[2] = IPPROTO_IPV6;
248 name[3] = IPV6CTL_STATS;
249
250 len = 0;
251 if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
252 error("sysctl getting ip6stat size failed");
253 return 0;
254 }
255 if (len > sizeof curstat) {
256 error("ip6stat structure has grown--recompile systat!");
257 return 0;
258 }
259 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
260 error("sysctl getting ip6stat failed");
261 return 0;
262 }
263 oldstat = initstat;
264 return 1;
265 }
266
267 void
resetip6(void)268 resetip6(void)
269 {
270 size_t len;
271 int name[4];
272
273 name[0] = CTL_NET;
274 name[1] = PF_INET6;
275 name[2] = IPPROTO_IPV6;
276 name[3] = IPV6CTL_STATS;
277
278 len = sizeof initstat;
279 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
280 error("sysctl getting ipstat failed");
281 }
282
283 oldstat = initstat;
284 }
285
286 void
fetchip6(void)287 fetchip6(void)
288 {
289 int name[4];
290 size_t len;
291
292 oldstat = curstat;
293 name[0] = CTL_NET;
294 name[1] = PF_INET6;
295 name[2] = IPPROTO_IPV6;
296 name[3] = IPV6CTL_STATS;
297 len = sizeof curstat;
298
299 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0)
300 return;
301 }
302
303 #endif
304