ip6.c revision 302408
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 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include <sys/cdefs.h> 31 32__FBSDID("$FreeBSD: stable/11/usr.bin/systat/ip6.c 240605 2012-09-17 13:36:47Z melifaro $"); 33 34#ifdef lint 35static const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93"; 36#endif 37 38/* From: 39 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp" 40*/ 41 42#ifdef INET6 43#include <sys/param.h> 44#include <sys/types.h> 45#include <sys/socket.h> 46#include <sys/sysctl.h> 47 48#include <netinet/in.h> 49#include <netinet/in_systm.h> 50#include <netinet/ip.h> 51#include <netinet6/ip6_var.h> 52 53#include <stdlib.h> 54#include <string.h> 55#include <paths.h> 56 57#include "systat.h" 58#include "extern.h" 59#include "mode.h" 60 61static struct ip6stat curstat, initstat, oldstat; 62 63/*- 64--0 1 2 3 4 5 6 7 65--0123456789012345678901234567890123456789012345678901234567890123456789012345 6600 IPv6 Input IPv6 Output 67019999999 total packets received 999999999 total packets sent 68029999999 - too short for header 999999999 - generated locally 69039999999 - too short for data 999999999 - output drops 70049999999 - with invalid version 999999999 output fragments generated 71059999999 total fragments received 999999999 - fragmentation failed 72069999999 - fragments dropped 999999999 destinations unreachable 73079999999 - fragments timed out 999999999 packets output via raw IP 74089999999 - fragments overflown 75099999999 - packets reassembled ok Input next-header histogram 76109999999 packets forwarded 999999999 - destination options 77119999999 - unreachable dests 999999999 - hop-by-hop options 78129999999 - redirects generated 999999999 - IPv4 79139999999 option errors 999999999 - TCP 80149999999 unwanted multicasts 999999999 - UDP 81159999999 delivered to upper layer 999999999 - IPv6 82169999999 bad scope packets 999999999 - routing header 83179999999 address selection failed 999999999 - fragmentation header 8418 999999999 - ICMP6 8519 999999999 - none 86--0123456789012345678901234567890123456789012345678901234567890123456789012345 87--0 1 2 3 4 5 6 7 88*/ 89 90WINDOW * 91openip6(void) 92{ 93 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 94} 95 96void 97closeip6(WINDOW *w) 98{ 99 if (w == NULL) 100 return; 101 wclear(w); 102 wrefresh(w); 103 delwin(w); 104} 105 106void 107labelip6(void) 108{ 109 wmove(wnd, 0, 0); wclrtoeol(wnd); 110#define L(row, str) mvwprintw(wnd, row, 10, str) 111#define R(row, str) mvwprintw(wnd, row, 45, str); 112 L(0, "IPv6 Input"); R(0, "IPv6 Output"); 113 L(1, "total packets received"); R(1, "total packets sent"); 114 L(2, "- too short for header"); R(2, "- generated locally"); 115 L(3, "- too short for data"); R(3, "- output drops"); 116 L(4, "- with invalid version"); R(4, "output fragments generated"); 117 L(5, "total fragments received"); R(5, "- fragmentation failed"); 118 L(6, "- fragments dropped"); R(6, "destinations unreachable"); 119 L(7, "- fragments timed out"); R(7, "packets output via raw IP"); 120 L(8, "- fragments overflown"); 121 L(9, "- packets reassembled ok"); R(9, "Input next-header histogram"); 122 L(10, "packets forwarded"); R(10, " - destination options"); 123 L(11, "- unreachable dests"); R(11, " - hop-by-hop options"); 124 L(12, "- redirects generated"); R(12, " - IPv4"); 125 L(13, "option errors"); R(13, " - TCP"); 126 L(14, "unwanted multicasts"); R(14, " - UDP"); 127 L(15, "delivered to upper layer"); R(15, " - IPv6"); 128 L(16, "bad scope packets"); R(16, " - routing header"); 129 L(17, "address selection failed"); R(17, " - fragmentation header"); 130 R(18, " - ICMP6"); 131 R(19, " - none"); 132#undef L 133#undef R 134} 135 136static void 137domode(struct ip6stat *ret) 138{ 139 const struct ip6stat *sub; 140 int divisor = 1, i; 141 142 switch(currentmode) { 143 case display_RATE: 144 sub = &oldstat; 145 divisor = (delay > 1000000) ? delay / 1000000 : 1; 146 break; 147 case display_DELTA: 148 sub = &oldstat; 149 break; 150 case display_SINCE: 151 sub = &initstat; 152 break; 153 default: 154 *ret = curstat; 155 return; 156 } 157#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 158 DO(ip6s_total); 159 DO(ip6s_tooshort); 160 DO(ip6s_toosmall); 161 DO(ip6s_fragments); 162 DO(ip6s_fragdropped); 163 DO(ip6s_fragtimeout); 164 DO(ip6s_fragoverflow); 165 DO(ip6s_forward); 166 DO(ip6s_cantforward); 167 DO(ip6s_redirectsent); 168 DO(ip6s_delivered); 169 DO(ip6s_localout); 170 DO(ip6s_odropped); 171 DO(ip6s_reassembled); 172 DO(ip6s_fragmented); 173 DO(ip6s_ofragments); 174 DO(ip6s_cantfrag); 175 DO(ip6s_badoptions); 176 DO(ip6s_noroute); 177 DO(ip6s_badvers); 178 DO(ip6s_rawout); 179 DO(ip6s_notmember); 180 for (i = 0; i < 256; i++) 181 DO(ip6s_nxthist[i]); 182 DO(ip6s_badscope); 183 DO(ip6s_sources_none); 184#undef DO 185} 186 187void 188showip6(void) 189{ 190 struct ip6stat stats; 191 u_long totalout; 192 193 domode(&stats); 194 totalout = stats.ip6s_forward + stats.ip6s_localout; 195 196#define DO(stat, row, col) \ 197 mvwprintw(wnd, row, col, "%9lu", stats.stat) 198 199 DO(ip6s_total, 1, 0); 200 mvwprintw(wnd, 1, 35, "%9lu", totalout); 201 DO(ip6s_tooshort, 2, 0); 202 DO(ip6s_localout, 2, 35); 203 DO(ip6s_toosmall, 3, 0); 204 DO(ip6s_odropped, 3, 35); 205 DO(ip6s_badvers, 4, 0); 206 DO(ip6s_ofragments, 4, 35); 207 DO(ip6s_fragments, 5, 0); 208 DO(ip6s_cantfrag, 5, 35); 209 DO(ip6s_fragdropped, 6, 0); 210 DO(ip6s_noroute, 6, 35); 211 DO(ip6s_fragtimeout, 7, 0); 212 DO(ip6s_rawout, 7, 35); 213 DO(ip6s_fragoverflow, 8, 0); 214 DO(ip6s_reassembled, 9, 0); 215 DO(ip6s_forward, 10, 0); 216 DO(ip6s_nxthist[IPPROTO_DSTOPTS], 10, 35); 217 DO(ip6s_cantforward, 11, 0); 218 DO(ip6s_nxthist[IPPROTO_HOPOPTS], 11, 35); 219 DO(ip6s_redirectsent, 12, 0); 220 DO(ip6s_nxthist[IPPROTO_IPV4], 12, 35); 221 DO(ip6s_badoptions, 13, 0); 222 DO(ip6s_nxthist[IPPROTO_TCP], 13, 35); 223 DO(ip6s_notmember, 14, 0); 224 DO(ip6s_nxthist[IPPROTO_UDP], 14, 35); 225 DO(ip6s_delivered, 15, 0); 226 DO(ip6s_nxthist[IPPROTO_IPV6], 15, 35); 227 DO(ip6s_badscope, 16, 0); 228 DO(ip6s_nxthist[IPPROTO_ROUTING], 16, 35); 229 DO(ip6s_sources_none, 17, 0); 230 DO(ip6s_nxthist[IPPROTO_FRAGMENT], 17, 35); 231 DO(ip6s_nxthist[IPPROTO_ICMPV6], 18, 35); 232 DO(ip6s_nxthist[IPPROTO_NONE], 19, 35); 233#undef DO 234} 235 236int 237initip6(void) 238{ 239 size_t len; 240 int name[4]; 241 242 name[0] = CTL_NET; 243 name[1] = PF_INET6; 244 name[2] = IPPROTO_IPV6; 245 name[3] = IPV6CTL_STATS; 246 247 len = 0; 248 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 249 error("sysctl getting ip6stat size failed"); 250 return 0; 251 } 252 if (len > sizeof curstat) { 253 error("ip6stat structure has grown--recompile systat!"); 254 return 0; 255 } 256 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 257 error("sysctl getting ip6stat failed"); 258 return 0; 259 } 260 oldstat = initstat; 261 return 1; 262} 263 264void 265resetip6(void) 266{ 267 size_t len; 268 int name[4]; 269 270 name[0] = CTL_NET; 271 name[1] = PF_INET6; 272 name[2] = IPPROTO_IPV6; 273 name[3] = IPV6CTL_STATS; 274 275 len = sizeof initstat; 276 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 277 error("sysctl getting ipstat failed"); 278 } 279 280 oldstat = initstat; 281} 282 283void 284fetchip6(void) 285{ 286 int name[4]; 287 size_t len; 288 289 oldstat = curstat; 290 name[0] = CTL_NET; 291 name[1] = PF_INET6; 292 name[2] = IPPROTO_IPV6; 293 name[3] = IPV6CTL_STATS; 294 len = sizeof curstat; 295 296 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0) 297 return; 298} 299 300#endif 301