ip6.c revision 175387
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 175387 2008-01-16 19:27:43Z delphij $"); 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(WINDOW *w) 102{ 103 if (w == NULL) 104 return; 105 wclear(w); 106 wrefresh(w); 107 delwin(w); 108} 109 110void 111labelip6(void) 112{ 113 wmove(wnd, 0, 0); wclrtoeol(wnd); 114#define L(row, str) mvwprintw(wnd, row, 10, str) 115#define R(row, str) mvwprintw(wnd, row, 45, str); 116 L(0, "IPv6 Input"); R(0, "IPv6 Output"); 117 L(1, "total packets received"); R(1, "total packets sent"); 118 L(2, "- too short for header"); R(2, "- generated locally"); 119 L(3, "- too short for data"); R(3, "- output drops"); 120 L(4, "- with invalid version"); R(4, "output fragments generated"); 121 L(5, "total fragments received"); R(5, "- fragmentation failed"); 122 L(6, "- fragments dropped"); R(6, "destinations unreachable"); 123 L(7, "- fragments timed out"); R(7, "packets output via raw IP"); 124 L(8, "- fragments overflown"); 125 L(9, "- packets reassembled ok"); R(9, "Input next-header histogram"); 126 L(10, "packets forwarded"); R(10, " - destination options"); 127 L(11, "- unreachable dests"); R(11, " - hop-by-hop options"); 128 L(12, "- redirects generated"); R(12, " - IPv4"); 129 L(13, "option errors"); R(13, " - TCP"); 130 L(14, "unwanted multicasts"); R(14, " - UDP"); 131 L(15, "delivered to upper layer"); R(15, " - IPv6"); 132 L(16, "bad scope packets"); R(16, " - routing header"); 133 L(17, "address selection failed"); R(17, " - fragmentation header"); 134 R(18, " - ICMP6"); 135 R(19, " - none"); 136#undef L 137#undef R 138} 139 140static void 141domode(struct ip6stat *ret) 142{ 143 const struct ip6stat *sub; 144 int divisor = 1, i; 145 146 switch(currentmode) { 147 case display_RATE: 148 sub = &oldstat; 149 divisor = naptime; 150 break; 151 case display_DELTA: 152 sub = &oldstat; 153 break; 154 case display_SINCE: 155 sub = &initstat; 156 break; 157 default: 158 *ret = curstat; 159 return; 160 } 161#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 162 DO(ip6s_total); 163 DO(ip6s_tooshort); 164 DO(ip6s_toosmall); 165 DO(ip6s_fragments); 166 DO(ip6s_fragdropped); 167 DO(ip6s_fragtimeout); 168 DO(ip6s_fragoverflow); 169 DO(ip6s_forward); 170 DO(ip6s_cantforward); 171 DO(ip6s_redirectsent); 172 DO(ip6s_delivered); 173 DO(ip6s_localout); 174 DO(ip6s_odropped); 175 DO(ip6s_reassembled); 176 DO(ip6s_fragmented); 177 DO(ip6s_ofragments); 178 DO(ip6s_cantfrag); 179 DO(ip6s_badoptions); 180 DO(ip6s_noroute); 181 DO(ip6s_badvers); 182 DO(ip6s_rawout); 183 DO(ip6s_notmember); 184 for (i = 0; i < 256; i++) 185 DO(ip6s_nxthist[i]); 186 DO(ip6s_badscope); 187 DO(ip6s_sources_none); 188#undef DO 189} 190 191void 192showip6(void) 193{ 194 struct ip6stat stats; 195 u_long totalout; 196 197 domode(&stats); 198 totalout = stats.ip6s_forward + stats.ip6s_localout; 199 200#define DO(stat, row, col) \ 201 mvwprintw(wnd, row, col, "%9lu", stats.stat) 202 203 DO(ip6s_total, 1, 0); 204 mvwprintw(wnd, 1, 35, "%9lu", totalout); 205 DO(ip6s_tooshort, 2, 0); 206 DO(ip6s_localout, 2, 35); 207 DO(ip6s_toosmall, 3, 0); 208 DO(ip6s_odropped, 3, 35); 209 DO(ip6s_badvers, 4, 0); 210 DO(ip6s_ofragments, 4, 35); 211 DO(ip6s_fragments, 5, 0); 212 DO(ip6s_cantfrag, 5, 35); 213 DO(ip6s_fragdropped, 6, 0); 214 DO(ip6s_noroute, 6, 35); 215 DO(ip6s_fragtimeout, 7, 0); 216 DO(ip6s_rawout, 7, 35); 217 DO(ip6s_fragoverflow, 8, 0); 218 DO(ip6s_reassembled, 9, 0); 219 DO(ip6s_forward, 10, 0); 220 DO(ip6s_nxthist[IPPROTO_DSTOPTS], 10, 35); 221 DO(ip6s_cantforward, 11, 0); 222 DO(ip6s_nxthist[IPPROTO_HOPOPTS], 11, 35); 223 DO(ip6s_redirectsent, 12, 0); 224 DO(ip6s_nxthist[IPPROTO_IPV4], 12, 35); 225 DO(ip6s_badoptions, 13, 0); 226 DO(ip6s_nxthist[IPPROTO_TCP], 13, 35); 227 DO(ip6s_notmember, 14, 0); 228 DO(ip6s_nxthist[IPPROTO_UDP], 14, 35); 229 DO(ip6s_delivered, 15, 0); 230 DO(ip6s_nxthist[IPPROTO_IPV6], 15, 35); 231 DO(ip6s_badscope, 16, 0); 232 DO(ip6s_nxthist[IPPROTO_ROUTING], 16, 35); 233 DO(ip6s_sources_none, 17, 0); 234 DO(ip6s_nxthist[IPPROTO_FRAGMENT], 17, 35); 235 DO(ip6s_nxthist[IPPROTO_ICMPV6], 18, 35); 236 DO(ip6s_nxthist[IPPROTO_NONE], 19, 35); 237#undef DO 238} 239 240int 241initip6(void) 242{ 243 size_t len; 244 int name[4]; 245 246 name[0] = CTL_NET; 247 name[1] = PF_INET6; 248 name[2] = IPPROTO_IPV6; 249 name[3] = IPV6CTL_STATS; 250 251 len = 0; 252 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 253 error("sysctl getting ip6stat size failed"); 254 return 0; 255 } 256 if (len > sizeof curstat) { 257 error("ip6stat structure has grown--recompile systat!"); 258 return 0; 259 } 260 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 261 error("sysctl getting ip6stat failed"); 262 return 0; 263 } 264 oldstat = initstat; 265 return 1; 266} 267 268void 269resetip6(void) 270{ 271 size_t len; 272 int name[4]; 273 274 name[0] = CTL_NET; 275 name[1] = PF_INET6; 276 name[2] = IPPROTO_IPV6; 277 name[3] = IPV6CTL_STATS; 278 279 len = sizeof initstat; 280 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 281 error("sysctl getting ipstat failed"); 282 } 283 284 oldstat = initstat; 285} 286 287void 288fetchip6(void) 289{ 290 int name[4]; 291 size_t len; 292 293 oldstat = curstat; 294 name[0] = CTL_NET; 295 name[1] = PF_INET6; 296 name[2] = IPPROTO_IPV6; 297 name[3] = IPV6CTL_STATS; 298 len = sizeof curstat; 299 300 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0) 301 return; 302} 303 304#endif 305