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