ip6.c revision 118318
1156090Sdeischen/*- 2156103Sdelphij * Copyright (c) 1980, 1992, 1993 3156090Sdeischen * The Regents of the University of California. All rights reserved. 4156090Sdeischen * 5156090Sdeischen * Redistribution and use in source and binary forms, with or without 6156090Sdeischen * modification, are permitted provided that the following conditions 7156090Sdeischen * are met: 8156090Sdeischen * 1. Redistributions of source code must retain the above copyright 9156090Sdeischen * notice, this list of conditions and the following disclaimer. 10156090Sdeischen * 2. Redistributions in binary form must reproduce the above copyright 11156090Sdeischen * notice, this list of conditions and the following disclaimer in the 12156090Sdeischen * documentation and/or other materials provided with the distribution. 13156090Sdeischen * 3. All advertising materials mentioning features or use of this software 14156090Sdeischen * must display the following acknowledgement: 15156090Sdeischen * This product includes software developed by the University of 16156090Sdeischen * California, Berkeley and its contributors. 17156090Sdeischen * 4. Neither the name of the University nor the names of its contributors 18156090Sdeischen * may be used to endorse or promote products derived from this software 19156090Sdeischen * without specific prior written permission. 20156090Sdeischen * 21156090Sdeischen * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22156090Sdeischen * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23156090Sdeischen * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24156090Sdeischen * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25156090Sdeischen * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26156090Sdeischen * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27156090Sdeischen * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28156090Sdeischen * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29156090Sdeischen * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30156090Sdeischen * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31156090Sdeischen * SUCH DAMAGE. 32156090Sdeischen */ 33156090Sdeischen 34156090Sdeischen#include <sys/cdefs.h> 35156090Sdeischen 36156090Sdeischen__FBSDID("$FreeBSD: head/usr.bin/systat/ip6.c 118318 2003-08-01 20:28:20Z dwmalone $"); 37156090Sdeischen 38156090Sdeischen#ifdef lint 39156090Sdeischenstatic const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93"; 40156090Sdeischen#endif 41156090Sdeischen 42156090Sdeischen/* From: 43156090Sdeischen "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp" 44156090Sdeischen*/ 45156090Sdeischen 46156090Sdeischen#ifdef INET6 47156090Sdeischen#include <sys/param.h> 48156090Sdeischen#include <sys/types.h> 49156090Sdeischen#include <sys/socket.h> 50156090Sdeischen#include <sys/sysctl.h> 51156090Sdeischen 52156090Sdeischen#include <netinet/in.h> 53156090Sdeischen#include <netinet/in_systm.h> 54156090Sdeischen#include <netinet/ip.h> 55156090Sdeischen#include <netinet6/ip6_var.h> 56156090Sdeischen 57156090Sdeischen#include <stdlib.h> 58156090Sdeischen#include <string.h> 59156090Sdeischen#include <paths.h> 60156090Sdeischen 61156090Sdeischen#include "systat.h" 62156090Sdeischen#include "extern.h" 63156090Sdeischen#include "mode.h" 64156090Sdeischen 65156090Sdeischenstatic struct ip6stat curstat, initstat, oldstat; 66 67/*- 68--0 1 2 3 4 5 6 7 69--0123456789012345678901234567890123456789012345678901234567890123456789012345 7001 IPv6 Input IPv6 Output 71029999999 total packets received 999999999 total packets sent 72039999999 - too short for header 999999999 - generated locally 73049999999 - too short for data 999999999 - output drops 74059999999 - with invalid version 999999999 output fragments generated 75069999999 total fragments received 999999999 - fragmentation failed 76079999999 - fragments dropped 999999999 destinations unreachable 77089999999 - fragments timed out 999999999 packets output via raw IP 78099999999 - fragments overflown Input next-header histogram 79109999999 - packets reassembled ok 999999999 - destination options 80119999999 packets forwarded 999999999 - hop-by-hop options 81129999999 - unreachable dests 999999999 - IPv4 82139999999 - redirects generated 999999999 - TCP 83149999999 option errors 999999999 - UDP 84159999999 unwanted multicasts 999999999 - IPv6 85169999999 delivered to upper layer 999999999 - routing header 8617 999999999 - fragmentation header 87189999999 bad scope packets 999999999 - ICMP6 88199999999 address selection failed 999999999 - none 89--0123456789012345678901234567890123456789012345678901234567890123456789012345 90--0 1 2 3 4 5 6 7 91*/ 92 93WINDOW * 94openip6(void) 95{ 96 return (subwin(stdscr, LINES-4-1, 0, 4, 0)); 97} 98 99void 100closeip6(w) 101 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(1, "IPv6 Input"); R(1, "IPv6 Output"); 117 L(2, "total packets received"); R(2, "total packets sent"); 118 L(3, "- too short for header"); R(3, "- generated locally"); 119 L(4, "- too short for data"); R(4, "- output drops"); 120 L(5, "- with invalid version"); R(5, "output fragments generated"); 121 L(6, "total fragments received"); R(6, "- fragmentation failed"); 122 L(7, "- fragments dropped"); R(7, "destinations unreachable"); 123 L(8, "- fragments timed out"); R(8, "packets output via raw IP"); 124 L(9, "- fragments overflown"); R(9, "Input next-header histogram"); 125 L(10, "- packets reassembled ok"); R(10, " - destination options"); 126 L(11, "packets forwarded"); R(11, " - hop-by-hop options"); 127 L(12, "- unreachable dests"); R(12, " - IPv4"); 128 L(13, "- redirects generated"); R(13, " - TCP"); 129 L(14, "option errors"); R(14, " - UDP"); 130 L(15, "unwanted multicasts"); R(15, " - IPv6"); 131 L(16, "delivered to upper layer"); R(16, " - routing header"); 132 R(17, " - fragmentation header"); 133 L(18, "bad scope packets"); R(18, " - ICMP6"); 134 L(19, "address selection failed"); R(19, " - none"); 135#undef L 136#undef R 137} 138 139static void 140domode(struct ip6stat *ret) 141{ 142 const struct ip6stat *sub; 143 int divisor = 1, i; 144 145 switch(currentmode) { 146 case display_RATE: 147 sub = &oldstat; 148 divisor = naptime; 149 break; 150 case display_DELTA: 151 sub = &oldstat; 152 break; 153 case display_SINCE: 154 sub = &initstat; 155 break; 156 default: 157 *ret = curstat; 158 return; 159 } 160#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 161 DO(ip6s_total); 162 DO(ip6s_tooshort); 163 DO(ip6s_toosmall); 164 DO(ip6s_fragments); 165 DO(ip6s_fragdropped); 166 DO(ip6s_fragtimeout); 167 DO(ip6s_fragoverflow); 168 DO(ip6s_forward); 169 DO(ip6s_cantforward); 170 DO(ip6s_redirectsent); 171 DO(ip6s_delivered); 172 DO(ip6s_localout); 173 DO(ip6s_odropped); 174 DO(ip6s_reassembled); 175 DO(ip6s_fragmented); 176 DO(ip6s_ofragments); 177 DO(ip6s_cantfrag); 178 DO(ip6s_badoptions); 179 DO(ip6s_noroute); 180 DO(ip6s_badvers); 181 DO(ip6s_rawout); 182 DO(ip6s_notmember); 183 for (i = 0; i < 256; i++) 184 DO(ip6s_nxthist[i]); 185 DO(ip6s_badscope); 186 DO(ip6s_sources_none); 187#undef DO 188} 189 190void 191showip6(void) 192{ 193 struct ip6stat stats; 194 u_long totalout; 195 196 domode(&stats); 197 totalout = stats.ip6s_forward + stats.ip6s_localout; 198 199#define DO(stat, row, col) \ 200 mvwprintw(wnd, row, col, "%9lu", stats.stat) 201 202 DO(ip6s_total, 2, 0); 203 mvwprintw(wnd, 2, 35, "%9lu", totalout); 204 DO(ip6s_localout, 3, 35); 205 DO(ip6s_tooshort, 3, 0); 206 DO(ip6s_odropped, 4, 35); 207 DO(ip6s_toosmall, 4, 0); 208 DO(ip6s_ofragments, 5, 35); 209 DO(ip6s_badvers, 5, 0); 210 DO(ip6s_cantfrag, 6, 35); 211 DO(ip6s_fragments, 6, 0); 212 DO(ip6s_noroute, 7, 35); 213 DO(ip6s_fragdropped, 7, 0); 214 DO(ip6s_rawout, 8, 35); 215 DO(ip6s_fragtimeout, 8, 0); 216 DO(ip6s_fragoverflow, 9, 0); 217 DO(ip6s_nxthist[IPPROTO_DSTOPTS], 10, 35); 218 DO(ip6s_reassembled, 10, 0); 219 DO(ip6s_nxthist[IPPROTO_HOPOPTS], 11, 35); 220 DO(ip6s_forward, 11, 0); 221 DO(ip6s_nxthist[IPPROTO_IPV4], 12, 35); 222 DO(ip6s_cantforward, 12, 0); 223 DO(ip6s_nxthist[IPPROTO_TCP], 13, 35); 224 DO(ip6s_redirectsent, 13, 0); 225 DO(ip6s_nxthist[IPPROTO_UDP], 14, 35); 226 DO(ip6s_badoptions, 14, 0); 227 DO(ip6s_nxthist[IPPROTO_IPV6], 15, 35); 228 DO(ip6s_notmember, 15, 0); 229 DO(ip6s_nxthist[IPPROTO_ROUTING], 16, 35); 230 DO(ip6s_delivered, 16, 0); 231 DO(ip6s_nxthist[IPPROTO_FRAGMENT], 17, 35); 232 DO(ip6s_nxthist[IPPROTO_ICMPV6], 18, 35); 233 DO(ip6s_badscope, 18, 0); 234 DO(ip6s_nxthist[IPPROTO_NONE], 19, 35); 235 DO(ip6s_sources_none, 19, 0); 236#undef DO 237} 238 239int 240initip6(void) 241{ 242 size_t len; 243 int name[4]; 244 245 name[0] = CTL_NET; 246 name[1] = PF_INET6; 247 name[2] = IPPROTO_IPV6; 248 name[3] = IPV6CTL_STATS; 249 250 len = 0; 251 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 252 error("sysctl getting ip6stat size failed"); 253 return 0; 254 } 255 if (len > sizeof curstat) { 256 error("ip6stat structure has grown--recompile systat!"); 257 return 0; 258 } 259 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 260 error("sysctl getting ip6stat failed"); 261 return 0; 262 } 263 oldstat = initstat; 264 return 1; 265} 266 267void 268resetip6(void) 269{ 270 size_t len; 271 int name[4]; 272 273 name[0] = CTL_NET; 274 name[1] = PF_INET6; 275 name[2] = IPPROTO_IPV6; 276 name[3] = IPV6CTL_STATS; 277 278 len = sizeof initstat; 279 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 280 error("sysctl getting ipstat failed"); 281 } 282 283 oldstat = initstat; 284} 285 286void 287fetchip6(void) 288{ 289 int name[4]; 290 size_t len; 291 292 oldstat = curstat; 293 name[0] = CTL_NET; 294 name[1] = PF_INET6; 295 name[2] = IPPROTO_IPV6; 296 name[3] = IPV6CTL_STATS; 297 len = sizeof curstat; 298 299 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0) 300 return; 301} 302 303#endif 304