1 /* $NetBSD: ip.c,v 1.18 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: ip.c,v 1.18 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/ip.h>
41 #include <netinet/ip_var.h>
42 #include <netinet/udp.h>
43 #include <netinet/udp_var.h>
44
45 #include <string.h>
46
47 #include "systat.h"
48 #include "extern.h"
49
50 #define LHD(row, str) mvwprintw(wnd, row, 10, str)
51 #define RHD(row, str) mvwprintw(wnd, row, 45, str);
52 #define SHOW(stat, row, col) \
53 mvwprintw(wnd, row, col, "%9llu", (unsigned long long)curstat.stat)
54
55 struct mystat {
56 uint64_t i[IP_NSTATS];
57 uint64_t u[UDP_NSTATS];
58 };
59
60 enum update {
61 UPDATE_TIME,
62 UPDATE_BOOT,
63 UPDATE_RUN,
64 };
65
66 static enum update update = UPDATE_TIME;
67 static struct mystat curstat;
68 static struct mystat oldstat;
69 static struct mystat newstat;
70
71 WINDOW *
openip(void)72 openip(void)
73 {
74
75 return (subwin(stdscr, -1, 0, 5, 0));
76 }
77
78 void
closeip(WINDOW * w)79 closeip(WINDOW *w)
80 {
81
82 if (w != NULL) {
83 wclear(w);
84 wrefresh(w);
85 delwin(w);
86 }
87 }
88
89 void
labelip(void)90 labelip(void)
91 {
92
93 wmove(wnd, 0, 0); wclrtoeol(wnd);
94
95 LHD(0, "total packets received");
96 LHD(1, " passed to upper layers");
97 LHD(2, " with bad checksums");
98 LHD(3, " too short for header");
99 LHD(4, " too short for data");
100 LHD(5, " with invalid hlen");
101 LHD(6, " with invalid length");
102 LHD(7, " with invalid version");
103 LHD(8, " too large");
104 LHD(9, " option errors");
105 LHD(10, " fragments received");
106 LHD(11, " fragments dropped");
107 LHD(12, " fragments timed out");
108 LHD(13, " packets reassembled ok");
109
110 LHD(15, "packets forwarded");
111 LHD(16, " fast forwarded");
112 LHD(17, " unreachable dests");
113 LHD(18, " redirects generated");
114
115 RHD(0, "total packets sent");
116 RHD(1, " generated locally");
117 RHD(2, " output drops");
118 RHD(3, " output fragments generated");
119 RHD(4, " fragmentation failed");
120 RHD(5, " destinations unreachable");
121 RHD(6, " packets output via raw IP");
122 RHD(7, " total UDP packets sent");
123
124 RHD(9, "total UDP packets received");
125 RHD(10, " too short for header");
126 RHD(11, " invalid checksum");
127 RHD(12, " invalid length");
128 RHD(13, " no socket for dest port");
129 RHD(14, " no socket for broadcast");
130 RHD(15, " socket buffer full");
131 }
132
133 void
showip(void)134 showip(void)
135 {
136 u_quad_t totalout;
137
138 totalout = curstat.i[IP_STAT_FORWARD] + curstat.i[IP_STAT_LOCALOUT];
139
140 SHOW(i[IP_STAT_TOTAL], 0, 0);
141 mvwprintw(wnd, 0, 35, "%9llu", (unsigned long long)totalout);
142 SHOW(i[IP_STAT_DELIVERED], 1, 0);
143 SHOW(i[IP_STAT_BADSUM], 2, 0);
144 SHOW(i[IP_STAT_TOOSHORT], 3, 0);
145 SHOW(i[IP_STAT_TOOSMALL], 4, 0);
146 SHOW(i[IP_STAT_BADHLEN], 5, 0);
147 SHOW(i[IP_STAT_BADLEN], 6, 0);
148 SHOW(i[IP_STAT_BADVERS], 7, 0);
149 SHOW(i[IP_STAT_TOOLONG], 8, 0);
150 SHOW(i[IP_STAT_BADOPTIONS], 9, 0);
151
152 SHOW(i[IP_STAT_LOCALOUT], 1, 35);
153 SHOW(i[IP_STAT_ODROPPED], 2, 35);
154 SHOW(i[IP_STAT_OFRAGMENTS], 3, 35);
155 SHOW(i[IP_STAT_CANTFRAG], 4, 35);
156 SHOW(i[IP_STAT_NOROUTE], 5, 35);
157 SHOW(i[IP_STAT_RAWOUT], 6, 35);
158 SHOW(u[UDP_STAT_OPACKETS], 7, 35);
159
160 SHOW(i[IP_STAT_FRAGMENTS], 10, 0);
161 SHOW(i[IP_STAT_FRAGDROPPED], 11, 0);
162 SHOW(i[IP_STAT_FRAGTIMEOUT], 12, 0);
163 SHOW(i[IP_STAT_REASSEMBLED], 13, 0);
164
165 SHOW(i[IP_STAT_FORWARD], 15, 0);
166 SHOW(i[IP_STAT_FASTFORWARD], 16, 0);
167 SHOW(i[IP_STAT_CANTFORWARD], 17, 0);
168 SHOW(i[IP_STAT_REDIRECTSENT], 18, 0);
169
170 SHOW(u[UDP_STAT_IPACKETS], 9, 35);
171 SHOW(u[UDP_STAT_HDROPS], 10, 35);
172 SHOW(u[UDP_STAT_BADSUM], 11, 35);
173 SHOW(u[UDP_STAT_BADLEN], 12, 35);
174 SHOW(u[UDP_STAT_NOPORT], 13, 35);
175 SHOW(u[UDP_STAT_NOPORTBCAST], 14, 35);
176 SHOW(u[UDP_STAT_FULLSOCK], 15, 35);
177 }
178
179 int
initip(void)180 initip(void)
181 {
182
183 return 1;
184 }
185
186 void
fetchip(void)187 fetchip(void)
188 {
189 size_t size;
190
191 size = sizeof(newstat.i);
192 if (sysctlbyname("net.inet.ip.stats", newstat.i, &size, NULL, 0) == -1)
193 return;
194 size = sizeof(newstat.u);
195 if (sysctlbyname("net.inet.udp.stats", newstat.u, &size, NULL, 0) == -1)
196 return;
197
198 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_TOTAL]);
199 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_DELIVERED]);
200 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_BADSUM]);
201 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_TOOSHORT]);
202 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_TOOSMALL]);
203 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_BADHLEN]);
204 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_BADLEN]);
205 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_BADVERS]);
206 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_TOOLONG]);
207 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_BADOPTIONS]);
208 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_LOCALOUT]);
209 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_ODROPPED]);
210 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_OFRAGMENTS]);
211 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_CANTFRAG]);
212 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_NOROUTE]);
213 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_RAWOUT]);
214 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_FRAGMENTS]);
215 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_FRAGDROPPED]);
216 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_FRAGTIMEOUT]);
217 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_REASSEMBLED]);
218 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_FORWARD]);
219 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_FASTFORWARD]);
220 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_CANTFORWARD]);
221 ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_REDIRECTSENT]);
222 ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_OPACKETS]);
223 ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_IPACKETS]);
224 ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_HDROPS]);
225 ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_BADSUM]);
226 ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_BADLEN]);
227 ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_NOPORT]);
228 ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_NOPORTBCAST]);
229 ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_FULLSOCK]);
230
231 if (update == UPDATE_TIME)
232 memcpy(&oldstat, &newstat, sizeof(oldstat));
233 }
234
235 void
ip_boot(char * args)236 ip_boot(char *args)
237 {
238
239 memset(&oldstat, 0, sizeof(oldstat));
240 update = UPDATE_BOOT;
241 }
242
243 void
ip_run(char * args)244 ip_run(char *args)
245 {
246
247 if (update != UPDATE_RUN) {
248 memcpy(&oldstat, &newstat, sizeof(oldstat));
249 update = UPDATE_RUN;
250 }
251 }
252
253 void
ip_time(char * args)254 ip_time(char *args)
255 {
256
257 if (update != UPDATE_TIME) {
258 memcpy(&oldstat, &newstat, sizeof(oldstat));
259 update = UPDATE_TIME;
260 }
261 }
262
263 void
ip_zero(char * args)264 ip_zero(char *args)
265 {
266
267 if (update == UPDATE_RUN)
268 memcpy(&oldstat, &newstat, sizeof(oldstat));
269 }
270