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 * @(#)mbufs.c 8.1 (Berkeley) 6/6/93 34 * $FreeBSD: src/usr.bin/systat/ip6.c,v 1.3 2006/04/30 04:47:23 bde Exp $ 35 * $DragonFly: src/usr.bin/systat/ip6.c,v 1.2 2008/10/16 01:52:33 swildner Exp $ 36 */ 37 38 #include <sys/cdefs.h> 39 40 #ifdef INET6 41 #include <sys/param.h> 42 #include <sys/types.h> 43 #include <sys/socket.h> 44 #include <sys/sysctl.h> 45 46 #include <netinet/in.h> 47 #include <netinet/in_systm.h> 48 #include <netinet/ip.h> 49 #include <netinet6/ip6_var.h> 50 51 #include <stdlib.h> 52 #include <string.h> 53 #include <paths.h> 54 55 #include "systat.h" 56 #include "extern.h" 57 #include "mode.h" 58 59 static struct ip6stat curstat, initstat, oldstat; 60 61 /*- 62 --0 1 2 3 4 5 6 7 63 --0123456789012345678901234567890123456789012345678901234567890123456789012345 64 00 IPv6 Input IPv6 Output 65 019999999 total packets received 999999999 total packets sent 66 029999999 - too short for header 999999999 - generated locally 67 039999999 - too short for data 999999999 - output drops 68 049999999 - with invalid version 999999999 output fragments generated 69 059999999 total fragments received 999999999 - fragmentation failed 70 069999999 - fragments dropped 999999999 destinations unreachable 71 079999999 - fragments timed out 999999999 packets output via raw IP 72 089999999 - fragments overflown 73 099999999 - packets reassembled ok Input next-header histogram 74 109999999 packets forwarded 999999999 - destination options 75 119999999 - unreachable dests 999999999 - hop-by-hop options 76 129999999 - redirects generated 999999999 - IPv4 77 139999999 option errors 999999999 - TCP 78 149999999 unwanted multicasts 999999999 - UDP 79 159999999 delivered to upper layer 999999999 - IPv6 80 169999999 bad scope packets 999999999 - routing header 81 179999999 address selection failed 999999999 - fragmentation header 82 18 999999999 - ICMP6 83 19 999999999 - none 84 --0123456789012345678901234567890123456789012345678901234567890123456789012345 85 --0 1 2 3 4 5 6 7 86 */ 87 88 WINDOW * 89 openip6(void) 90 { 91 return (subwin(stdscr, LINES-4-1, 0, 4, 0)); 92 } 93 94 void 95 closeip6(WINDOW *w) 96 { 97 if (w == NULL) 98 return; 99 wclear(w); 100 wrefresh(w); 101 delwin(w); 102 } 103 104 void 105 labelip6(void) 106 { 107 wmove(wnd, 0, 0); wclrtoeol(wnd); 108 #define L(row, str) mvwprintw(wnd, row, 10, str) 109 #define R(row, str) mvwprintw(wnd, row, 45, str); 110 L(1, "IPv6 Input"); R(1, "IPv6 Output"); 111 L(2, "total packets received"); R(2, "total packets sent"); 112 L(3, "- too short for header"); R(3, "- generated locally"); 113 L(4, "- too short for data"); R(4, "- output drops"); 114 L(5, "- with invalid version"); R(5, "output fragments generated"); 115 L(6, "total fragments received"); R(6, "- fragmentation failed"); 116 L(7, "- fragments dropped"); R(7, "destinations unreachable"); 117 L(8, "- fragments timed out"); R(8, "packets output via raw IP"); 118 L(9, "- fragments overflown"); 119 L(10, "- packets reassembled ok"); R(10, "Input next-header histogram"); 120 L(11, "packets forwarded"); R(11, " - destination options"); 121 L(12, "- unreachable dests"); R(12, " - hop-by-hop options"); 122 L(13, "- redirects generated"); R(13, " - IPv4"); 123 L(14, "option errors"); R(14, " - TCP"); 124 L(15, "unwanted multicasts"); R(15, " - UDP"); 125 L(16, "delivered to upper layer"); R(16, " - IPv6"); 126 L(17, "bad scope packets"); R(17, " - routing header"); 127 L(18, "address selection failed"); R(18, " - fragmentation header"); 128 R(19, " - ICMP6"); 129 R(20, " - none"); 130 #undef L 131 #undef R 132 } 133 134 static void 135 domode(struct ip6stat *ret) 136 { 137 const struct ip6stat *sub; 138 int divisor = 1, i; 139 140 switch(currentmode) { 141 case display_RATE: 142 sub = &oldstat; 143 divisor = naptime; 144 break; 145 case display_DELTA: 146 sub = &oldstat; 147 break; 148 case display_SINCE: 149 sub = &initstat; 150 break; 151 default: 152 *ret = curstat; 153 return; 154 } 155 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 156 DO(ip6s_total); 157 DO(ip6s_tooshort); 158 DO(ip6s_toosmall); 159 DO(ip6s_fragments); 160 DO(ip6s_fragdropped); 161 DO(ip6s_fragtimeout); 162 DO(ip6s_fragoverflow); 163 DO(ip6s_forward); 164 DO(ip6s_cantforward); 165 DO(ip6s_redirectsent); 166 DO(ip6s_delivered); 167 DO(ip6s_localout); 168 DO(ip6s_odropped); 169 DO(ip6s_reassembled); 170 DO(ip6s_fragmented); 171 DO(ip6s_ofragments); 172 DO(ip6s_cantfrag); 173 DO(ip6s_badoptions); 174 DO(ip6s_noroute); 175 DO(ip6s_badvers); 176 DO(ip6s_rawout); 177 DO(ip6s_notmember); 178 for (i = 0; i < 256; i++) 179 DO(ip6s_nxthist[i]); 180 DO(ip6s_badscope); 181 DO(ip6s_sources_none); 182 #undef DO 183 } 184 185 void 186 showip6(void) 187 { 188 struct ip6stat stats; 189 u_long totalout; 190 191 domode(&stats); 192 totalout = stats.ip6s_forward + stats.ip6s_localout; 193 194 #define DO(stat, row, col) \ 195 mvwprintw(wnd, row, col, "%9lu", stats.stat) 196 197 DO(ip6s_total, 2, 0); 198 mvwprintw(wnd, 2, 35, "%9lu", totalout); 199 DO(ip6s_tooshort, 3, 0); 200 DO(ip6s_localout, 3, 35); 201 DO(ip6s_toosmall, 4, 0); 202 DO(ip6s_odropped, 4, 35); 203 DO(ip6s_badvers, 5, 0); 204 DO(ip6s_ofragments, 5, 35); 205 DO(ip6s_fragments, 6, 0); 206 DO(ip6s_cantfrag, 6, 35); 207 DO(ip6s_fragdropped, 7, 0); 208 DO(ip6s_noroute, 7, 35); 209 DO(ip6s_fragtimeout, 8, 0); 210 DO(ip6s_rawout, 8, 35); 211 DO(ip6s_fragoverflow, 9, 0); 212 DO(ip6s_reassembled, 10, 0); 213 DO(ip6s_forward, 11, 0); 214 DO(ip6s_nxthist[IPPROTO_DSTOPTS], 11, 35); 215 DO(ip6s_cantforward, 12, 0); 216 DO(ip6s_nxthist[IPPROTO_HOPOPTS], 12, 35); 217 DO(ip6s_redirectsent, 13, 0); 218 DO(ip6s_nxthist[IPPROTO_IPV4], 13, 35); 219 DO(ip6s_badoptions, 14, 0); 220 DO(ip6s_nxthist[IPPROTO_TCP], 14, 35); 221 DO(ip6s_notmember, 15, 0); 222 DO(ip6s_nxthist[IPPROTO_UDP], 15, 35); 223 DO(ip6s_delivered, 16, 0); 224 DO(ip6s_nxthist[IPPROTO_IPV6], 16, 35); 225 DO(ip6s_badscope, 17, 0); 226 DO(ip6s_nxthist[IPPROTO_ROUTING], 17, 35); 227 DO(ip6s_sources_none, 18, 0); 228 DO(ip6s_nxthist[IPPROTO_FRAGMENT], 18, 35); 229 DO(ip6s_nxthist[IPPROTO_ICMPV6], 19, 35); 230 DO(ip6s_nxthist[IPPROTO_NONE], 20, 35); 231 #undef DO 232 } 233 234 int 235 initip6(void) 236 { 237 size_t len; 238 int name[4]; 239 240 name[0] = CTL_NET; 241 name[1] = PF_INET6; 242 name[2] = IPPROTO_IPV6; 243 name[3] = IPV6CTL_STATS; 244 245 len = 0; 246 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 247 error("sysctl getting ip6stat size failed"); 248 return 0; 249 } 250 if (len > sizeof curstat) { 251 error("ip6stat structure has grown--recompile systat!"); 252 return 0; 253 } 254 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 255 error("sysctl getting ip6stat failed"); 256 return 0; 257 } 258 oldstat = initstat; 259 return 1; 260 } 261 262 void 263 resetip6(void) 264 { 265 size_t len; 266 int name[4]; 267 268 name[0] = CTL_NET; 269 name[1] = PF_INET6; 270 name[2] = IPPROTO_IPV6; 271 name[3] = IPV6CTL_STATS; 272 273 len = sizeof initstat; 274 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 275 error("sysctl getting ipstat failed"); 276 } 277 278 oldstat = initstat; 279 } 280 281 void 282 fetchip6(void) 283 { 284 int name[4]; 285 size_t len; 286 287 oldstat = curstat; 288 name[0] = CTL_NET; 289 name[1] = PF_INET6; 290 name[2] = IPPROTO_IPV6; 291 name[3] = IPV6CTL_STATS; 292 len = sizeof curstat; 293 294 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0) 295 return; 296 } 297 298 #endif 299