ip6.c revision 158160
1/*- 2 * Copyright (c) 1980, 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35 36__FBSDID("$FreeBSD: head/usr.bin/systat/ip6.c 158160 2006-04-30 04:26:46Z bde $"); 37 38#ifdef lint 39static const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93"; 40#endif 41 42/* From: 43 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp" 44*/ 45 46#ifdef INET6 47#include <sys/param.h> 48#include <sys/types.h> 49#include <sys/socket.h> 50#include <sys/sysctl.h> 51 52#include <netinet/in.h> 53#include <netinet/in_systm.h> 54#include <netinet/ip.h> 55#include <netinet6/ip6_var.h> 56 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 65static struct ip6stat curstat, initstat, oldstat; 66 67/*- 68--0 1 2 3 4 5 6 7 69--0123456789012345678901234567890123456789012345678901234567890123456789012345 7000 IPv6 Input IPv6 Output 71019999999 total packets received 999999999 total packets sent 72029999999 - too short for header 999999999 - generated locally 73039999999 - too short for data 999999999 - output drops 74049999999 - with invalid version 999999999 output fragments generated 75059999999 total fragments received 999999999 - fragmentation failed 76069999999 - fragments dropped 999999999 destinations unreachable 77079999999 - fragments timed out 999999999 packets output via raw IP 78089999999 - fragments overflown 79099999999 - packets reassembled ok Input next-header histogram 80109999999 packets forwarded 999999999 - destination options 81119999999 - unreachable dests 999999999 - hop-by-hop options 82129999999 - redirects generated 999999999 - IPv4 83139999999 option errors 999999999 - TCP 84149999999 unwanted multicasts 999999999 - UDP 85159999999 delivered to upper layer 999999999 - IPv6 86169999999 bad scope packets 999999999 - routing header 87179999999 address selection failed 999999999 - fragmentation header 8818 999999999 - ICMP6 8919 999999999 - none 90--0123456789012345678901234567890123456789012345678901234567890123456789012345 91--0 1 2 3 4 5 6 7 92*/ 93 94WINDOW * 95openip6(void) 96{ 97 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 98} 99 100void 101closeip6(w) 102 WINDOW *w; 103{ 104 if (w == NULL) 105 return; 106 wclear(w); 107 wrefresh(w); 108 delwin(w); 109} 110 111void 112labelip6(void) 113{ 114 wmove(wnd, 0, 0); wclrtoeol(wnd); 115#define L(row, str) mvwprintw(wnd, row, 10, str) 116#define R(row, str) mvwprintw(wnd, row, 45, str); 117 L(0, "IPv6 Input"); R(0, "IPv6 Output"); 118 L(1, "total packets received"); R(1, "total packets sent"); 119 L(2, "- too short for header"); R(2, "- generated locally"); 120 L(3, "- too short for data"); R(3, "- output drops"); 121 L(4, "- with invalid version"); R(4, "output fragments generated"); 122 L(5, "total fragments received"); R(5, "- fragmentation failed"); 123 L(6, "- fragments dropped"); R(6, "destinations unreachable"); 124 L(7, "- fragments timed out"); R(7, "packets output via raw IP"); 125 L(8, "- fragments overflown"); 126 L(9, "- packets reassembled ok"); R(9, "Input next-header histogram"); 127 L(10, "packets forwarded"); R(10, " - destination options"); 128 L(11, "- unreachable dests"); R(11, " - hop-by-hop options"); 129 L(12, "- redirects generated"); R(12, " - IPv4"); 130 L(13, "option errors"); R(13, " - TCP"); 131 L(14, "unwanted multicasts"); R(14, " - UDP"); 132 L(15, "delivered to upper layer"); R(15, " - IPv6"); 133 L(16, "bad scope packets"); R(16, " - routing header"); 134 L(17, "address selection failed"); R(17, " - fragmentation header"); 135 R(18, " - ICMP6"); 136 R(19, " - none"); 137#undef L 138#undef R 139} 140 141static void 142domode(struct ip6stat *ret) 143{ 144 const struct ip6stat *sub; 145 int divisor = 1, i; 146 147 switch(currentmode) { 148 case display_RATE: 149 sub = &oldstat; 150 divisor = naptime; 151 break; 152 case display_DELTA: 153 sub = &oldstat; 154 break; 155 case display_SINCE: 156 sub = &initstat; 157 break; 158 default: 159 *ret = curstat; 160 return; 161 } 162#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 163 DO(ip6s_total); 164 DO(ip6s_tooshort); 165 DO(ip6s_toosmall); 166 DO(ip6s_fragments); 167 DO(ip6s_fragdropped); 168 DO(ip6s_fragtimeout); 169 DO(ip6s_fragoverflow); 170 DO(ip6s_forward); 171 DO(ip6s_cantforward); 172 DO(ip6s_redirectsent); 173 DO(ip6s_delivered); 174 DO(ip6s_localout); 175 DO(ip6s_odropped); 176 DO(ip6s_reassembled); 177 DO(ip6s_fragmented); 178 DO(ip6s_ofragments); 179 DO(ip6s_cantfrag); 180 DO(ip6s_badoptions); 181 DO(ip6s_noroute); 182 DO(ip6s_badvers); 183 DO(ip6s_rawout); 184 DO(ip6s_notmember); 185 for (i = 0; i < 256; i++) 186 DO(ip6s_nxthist[i]); 187 DO(ip6s_badscope); 188 DO(ip6s_sources_none); 189#undef DO 190} 191 192void 193showip6(void) 194{ 195 struct ip6stat stats; 196 u_long totalout; 197 198 domode(&stats); 199 totalout = stats.ip6s_forward + stats.ip6s_localout; 200 201#define DO(stat, row, col) \ 202 mvwprintw(wnd, row, col, "%9lu", stats.stat) 203 204 DO(ip6s_total, 1, 0); 205 mvwprintw(wnd, 1, 35, "%9lu", totalout); 206 DO(ip6s_tooshort, 2, 0); 207 DO(ip6s_localout, 2, 35); 208 DO(ip6s_toosmall, 3, 0); 209 DO(ip6s_odropped, 3, 35); 210 DO(ip6s_badvers, 4, 0); 211 DO(ip6s_ofragments, 4, 35); 212 DO(ip6s_fragments, 5, 0); 213 DO(ip6s_cantfrag, 5, 35); 214 DO(ip6s_fragdropped, 6, 0); 215 DO(ip6s_noroute, 6, 35); 216 DO(ip6s_fragtimeout, 7, 0); 217 DO(ip6s_rawout, 7, 35); 218 DO(ip6s_fragoverflow, 8, 0); 219 DO(ip6s_reassembled, 9, 0); 220 DO(ip6s_forward, 10, 0); 221 DO(ip6s_nxthist[IPPROTO_DSTOPTS], 10, 35); 222 DO(ip6s_cantforward, 11, 0); 223 DO(ip6s_nxthist[IPPROTO_HOPOPTS], 11, 35); 224 DO(ip6s_redirectsent, 12, 0); 225 DO(ip6s_nxthist[IPPROTO_IPV4], 12, 35); 226 DO(ip6s_badoptions, 13, 0); 227 DO(ip6s_nxthist[IPPROTO_TCP], 13, 35); 228 DO(ip6s_notmember, 14, 0); 229 DO(ip6s_nxthist[IPPROTO_UDP], 14, 35); 230 DO(ip6s_delivered, 15, 0); 231 DO(ip6s_nxthist[IPPROTO_IPV6], 15, 35); 232 DO(ip6s_badscope, 16, 0); 233 DO(ip6s_nxthist[IPPROTO_ROUTING], 16, 35); 234 DO(ip6s_sources_none, 17, 0); 235 DO(ip6s_nxthist[IPPROTO_FRAGMENT], 17, 35); 236 DO(ip6s_nxthist[IPPROTO_ICMPV6], 18, 35); 237 DO(ip6s_nxthist[IPPROTO_NONE], 19, 35); 238#undef DO 239} 240 241int 242initip6(void) 243{ 244 size_t len; 245 int name[4]; 246 247 name[0] = CTL_NET; 248 name[1] = PF_INET6; 249 name[2] = IPPROTO_IPV6; 250 name[3] = IPV6CTL_STATS; 251 252 len = 0; 253 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 254 error("sysctl getting ip6stat size failed"); 255 return 0; 256 } 257 if (len > sizeof curstat) { 258 error("ip6stat structure has grown--recompile systat!"); 259 return 0; 260 } 261 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 262 error("sysctl getting ip6stat failed"); 263 return 0; 264 } 265 oldstat = initstat; 266 return 1; 267} 268 269void 270resetip6(void) 271{ 272 size_t len; 273 int name[4]; 274 275 name[0] = CTL_NET; 276 name[1] = PF_INET6; 277 name[2] = IPPROTO_IPV6; 278 name[3] = IPV6CTL_STATS; 279 280 len = sizeof initstat; 281 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 282 error("sysctl getting ipstat failed"); 283 } 284 285 oldstat = initstat; 286} 287 288void 289fetchip6(void) 290{ 291 int name[4]; 292 size_t len; 293 294 oldstat = curstat; 295 name[0] = CTL_NET; 296 name[1] = PF_INET6; 297 name[2] = IPPROTO_IPV6; 298 name[3] = IPV6CTL_STATS; 299 len = sizeof curstat; 300 301 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0) 302 return; 303} 304 305#endif 306