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 (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: 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 * 72 openip(void) 73 { 74 75 return (subwin(stdscr, -1, 0, 5, 0)); 76 } 77 78 void 79 closeip(WINDOW *w) 80 { 81 82 if (w != NULL) { 83 wclear(w); 84 wrefresh(w); 85 delwin(w); 86 } 87 } 88 89 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 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 180 initip(void) 181 { 182 183 return 1; 184 } 185 186 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 236 ip_boot(char *args) 237 { 238 239 memset(&oldstat, 0, sizeof(oldstat)); 240 update = UPDATE_BOOT; 241 } 242 243 void 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 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 264 ip_zero(char *args) 265 { 266 267 if (update == UPDATE_RUN) 268 memcpy(&oldstat, &newstat, sizeof(oldstat)); 269 } 270
Indexes created Sat Sep 20 22:09:52 GMT 2025