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 37static 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#include <sys/param.h> 45#include <sys/types.h> 46#include <sys/socket.h> 47#include <sys/sysctl.h> 48 49#include <netinet/in.h> 50#include <netinet/in_systm.h> 51#include <netinet/ip.h> 52#include <netinet/ip_var.h> 53#include <netinet/udp.h> 54#include <netinet/udp_var.h> 55 56#include <inttypes.h> 57#include <stdlib.h> 58#include <string.h> 59#include <paths.h> 60 61#include "systat.h" 62#include "extern.h" 63#include "mode.h" 64 65struct stat { 66 struct ipstat i; 67 struct udpstat u; 68}; 69 70static struct stat curstat, initstat, oldstat; 71 72/*- 73--0 1 2 3 4 5 6 7 74--0123456789012345678901234567890123456789012345678901234567890123456789012345 7500 IP Input IP Output 7601999999999 total packets received 999999999 total packets sent 7702999999999 - with bad checksums 999999999 - generated locally 7803999999999 - too short for header 999999999 - output drops 7904999999999 - too short for data 999999999 output fragments generated 8005999999999 - with invalid hlen 999999999 - fragmentation failed 8106999999999 - with invalid length 999999999 destinations unreachable 8207999999999 - with invalid version 999999999 packets output via raw IP 8308999999999 - jumbograms 8409999999999 total fragments received UDP Statistics 8510999999999 - fragments dropped 999999999 total input packets 8611999999999 - fragments timed out 999999999 - too short for header 8712999999999 - packets reassembled ok 999999999 - invalid checksum 8813999999999 packets forwarded 999999999 - no checksum 8914999999999 - unreachable dests 999999999 - invalid length 9015999999999 - redirects generated 999999999 - no socket for dest port 9116999999999 option errors 999999999 - no socket for broadcast 9217999999999 unwanted multicasts 999999999 - socket buffer full 9318999999999 delivered to upper layer 999999999 total output packets 94--0123456789012345678901234567890123456789012345678901234567890123456789012345 95--0 1 2 3 4 5 6 7 96*/ 97 98WINDOW * 99openip(void) 100{ 101 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 102} 103 104void 105closeip(WINDOW *w) 106{ 107 if (w == NULL) 108 return; 109 wclear(w); 110 wrefresh(w); 111 delwin(w); 112} 113 114void 115labelip(void) 116{ 117 wmove(wnd, 0, 0); wclrtoeol(wnd); 118#define L(row, str) mvwprintw(wnd, row, 10, str) 119#define R(row, str) mvwprintw(wnd, row, 45, str); 120 L(0, "IP Input"); R(0, "IP Output"); 121 L(1, "total packets received"); R(1, "total packets sent"); 122 L(2, "- with bad checksums"); R(2, "- generated locally"); 123 L(3, "- too short for header"); R(3, "- output drops"); 124 L(4, "- too short for data"); R(4, "output fragments generated"); 125 L(5, "- with invalid hlen"); R(5, "- fragmentation failed"); 126 L(6, "- with invalid length"); R(6, "destinations unreachable"); 127 L(7, "- with invalid version"); R(7, "packets output via raw IP"); 128 L(8, "- jumbograms"); 129 L(9, "total fragments received"); R(9, "UDP Statistics"); 130 L(10, "- fragments dropped"); R(10, "total input packets"); 131 L(11, "- fragments timed out"); R(11, "- too short for header"); 132 L(12, "- packets reassembled ok"); R(12, "- invalid checksum"); 133 L(13, "packets forwarded"); R(13, "- no checksum"); 134 L(14, "- unreachable dests"); R(14, "- invalid length"); 135 L(15, "- redirects generated"); R(15, "- no socket for dest port"); 136 L(16, "option errors"); R(16, "- no socket for broadcast"); 137 L(17, "unwanted multicasts"); R(17, "- socket buffer full"); 138 L(18, "delivered to upper layer"); R(18, "total output packets"); 139#undef L 140#undef R 141} 142 143static void 144domode(struct stat *ret) 145{ 146 const struct stat *sub; 147 int divisor = 1; 148 149 switch(currentmode) { 150 case display_RATE: 151 sub = &oldstat; 152 divisor = (delay > 1000000) ? delay / 1000000 : 1; 153 break; 154 case display_DELTA: 155 sub = &oldstat; 156 break; 157 case display_SINCE: 158 sub = &initstat; 159 break; 160 default: 161 *ret = curstat; 162 return; 163 } 164#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 165 DO(i.ips_total); 166 DO(i.ips_badsum); 167 DO(i.ips_tooshort); 168 DO(i.ips_toosmall); 169 DO(i.ips_badhlen); 170 DO(i.ips_badlen); 171 DO(i.ips_fragments); 172 DO(i.ips_fragdropped); 173 DO(i.ips_fragtimeout); 174 DO(i.ips_forward); 175 DO(i.ips_cantforward); 176 DO(i.ips_redirectsent); 177 DO(i.ips_noproto); 178 DO(i.ips_delivered); 179 DO(i.ips_localout); 180 DO(i.ips_odropped); 181 DO(i.ips_reassembled); 182 DO(i.ips_fragmented); 183 DO(i.ips_ofragments); 184 DO(i.ips_cantfrag); 185 DO(i.ips_badoptions); 186 DO(i.ips_noroute); 187 DO(i.ips_badvers); 188 DO(i.ips_rawout); 189 DO(i.ips_toolong); 190 DO(i.ips_notmember); 191 DO(u.udps_ipackets); 192 DO(u.udps_hdrops); 193 DO(u.udps_badsum); 194 DO(u.udps_nosum); 195 DO(u.udps_badlen); 196 DO(u.udps_noport); 197 DO(u.udps_noportbcast); 198 DO(u.udps_fullsock); 199 DO(u.udps_opackets); 200#undef DO 201} 202 203void 204showip(void) 205{ 206 struct stat stats; 207 uint64_t totalout; 208 209 domode(&stats); 210 totalout = stats.i.ips_forward + stats.i.ips_localout; 211 212#define DO(stat, row, col) \ 213 mvwprintw(wnd, row, col, "%9"PRIu64, stats.stat) 214 215 DO(i.ips_total, 1, 0); 216 mvwprintw(wnd, 1, 35, "%9"PRIu64, totalout); 217 DO(i.ips_badsum, 2, 0); 218 DO(i.ips_localout, 2, 35); 219 DO(i.ips_tooshort, 3, 0); 220 DO(i.ips_odropped, 3, 35); 221 DO(i.ips_toosmall, 4, 0); 222 DO(i.ips_ofragments, 4, 35); 223 DO(i.ips_badhlen, 5, 0); 224 DO(i.ips_cantfrag, 5, 35); 225 DO(i.ips_badlen, 6, 0); 226 DO(i.ips_noroute, 6, 35); 227 DO(i.ips_badvers, 7, 0); 228 DO(i.ips_rawout, 7, 35); 229 DO(i.ips_toolong, 8, 0); 230 DO(i.ips_fragments, 9, 0); 231 DO(i.ips_fragdropped, 10, 0); 232 DO(u.udps_ipackets, 10, 35); 233 DO(i.ips_fragtimeout, 11, 0); 234 DO(u.udps_hdrops, 11, 35); 235 DO(i.ips_reassembled, 12, 0); 236 DO(u.udps_badsum, 12, 35); 237 DO(i.ips_forward, 13, 0); 238 DO(u.udps_nosum, 13, 35); 239 DO(i.ips_cantforward, 14, 0); 240 DO(u.udps_badlen, 14, 35); 241 DO(i.ips_redirectsent, 15, 0); 242 DO(u.udps_noport, 15, 35); 243 DO(i.ips_badoptions, 16, 0); 244 DO(u.udps_noportbcast, 16, 35); 245 DO(i.ips_notmember, 17, 0); 246 DO(u.udps_fullsock, 17, 35); 247 DO(i.ips_delivered, 18, 0); 248 DO(u.udps_opackets, 18, 35); 249#undef DO 250} 251 252int 253initip(void) 254{ 255 size_t len; 256 int name[4]; 257 258 name[0] = CTL_NET; 259 name[1] = PF_INET; 260 name[2] = IPPROTO_IP; 261 name[3] = IPCTL_STATS; 262 263 len = 0; 264 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 265 error("sysctl getting ipstat size failed"); 266 return 0; 267 } 268 if (len > sizeof curstat.i) { 269 error("ipstat structure has grown--recompile systat!"); 270 return 0; 271 } 272 if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) { 273 error("sysctl getting ipstat failed"); 274 return 0; 275 } 276 name[2] = IPPROTO_UDP; 277 name[3] = UDPCTL_STATS; 278 279 len = 0; 280 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 281 error("sysctl getting udpstat size failed"); 282 return 0; 283 } 284 if (len > sizeof curstat.u) { 285 error("ipstat structure has grown--recompile systat!"); 286 return 0; 287 } 288 if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) { 289 error("sysctl getting udpstat failed"); 290 return 0; 291 } 292 oldstat = initstat; 293 return 1; 294} 295 296void 297resetip(void) 298{ 299 size_t len; 300 int name[4]; 301 302 name[0] = CTL_NET; 303 name[1] = PF_INET; 304 name[2] = IPPROTO_IP; 305 name[3] = IPCTL_STATS; 306 307 len = sizeof initstat.i; 308 if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) { 309 error("sysctl getting ipstat failed"); 310 } 311 name[2] = IPPROTO_UDP; 312 name[3] = UDPCTL_STATS; 313 314 len = sizeof initstat.u; 315 if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) { 316 error("sysctl getting udpstat failed"); 317 } 318 oldstat = initstat; 319} 320 321void 322fetchip(void) 323{ 324 int name[4]; 325 size_t len; 326 327 oldstat = curstat; 328 name[0] = CTL_NET; 329 name[1] = PF_INET; 330 name[2] = IPPROTO_IP; 331 name[3] = IPCTL_STATS; 332 len = sizeof curstat.i; 333 334 if (sysctl(name, 4, &curstat.i, &len, 0, 0) < 0) 335 return; 336 name[2] = IPPROTO_UDP; 337 name[3] = UDPCTL_STATS; 338 len = sizeof curstat.u; 339 340 if (sysctl(name, 4, &curstat.u, &len, 0, 0) < 0) 341 return; 342} 343