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. 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 * @(#)mbufs.c 8.1 (Berkeley) 6/6/93 30 * $FreeBSD: src/usr.bin/systat/ip6.c,v 1.3 2006/04/30 04:47:23 bde Exp $ 31 */ 32 33 #ifdef INET6 34 #include <sys/param.h> 35 #include <sys/types.h> 36 #include <sys/socket.h> 37 #include <sys/sysctl.h> 38 39 #include <netinet/in.h> 40 #include <netinet/in_systm.h> 41 #include <netinet/ip.h> 42 #include <netinet6/ip6_var.h> 43 44 #include <stdlib.h> 45 #include <string.h> 46 #include <paths.h> 47 48 #include "systat.h" 49 #include "extern.h" 50 #include "mode.h" 51 52 static struct ip6stat curstat, initstat, oldstat; 53 54 /*- 55 --0 1 2 3 4 5 6 7 56 --0123456789012345678901234567890123456789012345678901234567890123456789012345 57 00 IPv6 Input IPv6 Output 58 019999999 total packets received 999999999 total packets sent 59 029999999 - too short for header 999999999 - generated locally 60 039999999 - too short for data 999999999 - output drops 61 049999999 - with invalid version 999999999 output fragments generated 62 059999999 total fragments received 999999999 - fragmentation failed 63 069999999 - fragments dropped 999999999 destinations unreachable 64 079999999 - fragments timed out 999999999 packets output via raw IP 65 089999999 - fragments overflown 66 099999999 - packets reassembled ok Input next-header histogram 67 109999999 packets forwarded 999999999 - destination options 68 119999999 - unreachable dests 999999999 - hop-by-hop options 69 129999999 - redirects generated 999999999 - IPv4 70 139999999 option errors 999999999 - TCP 71 149999999 unwanted multicasts 999999999 - UDP 72 159999999 delivered to upper layer 999999999 - IPv6 73 169999999 bad scope packets 999999999 - routing header 74 179999999 address selection failed 999999999 - fragmentation header 75 18 999999999 - ICMP6 76 19 999999999 - none 77 --0123456789012345678901234567890123456789012345678901234567890123456789012345 78 --0 1 2 3 4 5 6 7 79 */ 80 81 WINDOW * 82 openip6(void) 83 { 84 return (subwin(stdscr, LINES-4-1, 0, 4, 0)); 85 } 86 87 void 88 closeip6(WINDOW *w) 89 { 90 if (w == NULL) 91 return; 92 wclear(w); 93 wrefresh(w); 94 delwin(w); 95 } 96 97 void 98 labelip6(void) 99 { 100 wmove(wnd, 0, 0); wclrtoeol(wnd); 101 #define L(row, str) mvwprintw(wnd, row, 10, str) 102 #define R(row, str) mvwprintw(wnd, row, 45, str); 103 L(1, "IPv6 Input"); R(1, "IPv6 Output"); 104 L(2, "total packets received"); R(2, "total packets sent"); 105 L(3, "- too short for header"); R(3, "- generated locally"); 106 L(4, "- too short for data"); R(4, "- output drops"); 107 L(5, "- with invalid version"); R(5, "output fragments generated"); 108 L(6, "total fragments received"); R(6, "- fragmentation failed"); 109 L(7, "- fragments dropped"); R(7, "destinations unreachable"); 110 L(8, "- fragments timed out"); R(8, "packets output via raw IP"); 111 L(9, "- fragments overflown"); 112 L(10, "- packets reassembled ok"); R(10, "Input next-header histogram"); 113 L(11, "packets forwarded"); R(11, " - destination options"); 114 L(12, "- unreachable dests"); R(12, " - hop-by-hop options"); 115 L(13, "- redirects generated"); R(13, " - IPv4"); 116 L(14, "option errors"); R(14, " - TCP"); 117 L(15, "unwanted multicasts"); R(15, " - UDP"); 118 L(16, "delivered to upper layer"); R(16, " - IPv6"); 119 L(17, "bad scope packets"); R(17, " - routing header"); 120 L(18, "address selection failed"); R(18, " - fragmentation header"); 121 R(19, " - ICMP6"); 122 R(20, " - none"); 123 #undef L 124 #undef R 125 } 126 127 static void 128 domode(struct ip6stat *ret) 129 { 130 const struct ip6stat *sub; 131 int divisor = 1, i; 132 133 switch(currentmode) { 134 case display_RATE: 135 sub = &oldstat; 136 divisor = naptime; 137 break; 138 case display_DELTA: 139 sub = &oldstat; 140 break; 141 case display_SINCE: 142 sub = &initstat; 143 break; 144 default: 145 *ret = curstat; 146 return; 147 } 148 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 149 DO(ip6s_total); 150 DO(ip6s_tooshort); 151 DO(ip6s_toosmall); 152 DO(ip6s_fragments); 153 DO(ip6s_fragdropped); 154 DO(ip6s_fragtimeout); 155 DO(ip6s_fragoverflow); 156 DO(ip6s_forward); 157 DO(ip6s_cantforward); 158 DO(ip6s_redirectsent); 159 DO(ip6s_delivered); 160 DO(ip6s_localout); 161 DO(ip6s_odropped); 162 DO(ip6s_reassembled); 163 DO(ip6s_fragmented); 164 DO(ip6s_ofragments); 165 DO(ip6s_cantfrag); 166 DO(ip6s_badoptions); 167 DO(ip6s_noroute); 168 DO(ip6s_badvers); 169 DO(ip6s_rawout); 170 DO(ip6s_notmember); 171 for (i = 0; i < 256; i++) 172 DO(ip6s_nxthist[i]); 173 DO(ip6s_badscope); 174 DO(ip6s_sources_none); 175 #undef DO 176 } 177 178 void 179 showip6(void) 180 { 181 struct ip6stat stats; 182 u_long totalout; 183 184 domode(&stats); 185 totalout = stats.ip6s_forward + stats.ip6s_localout; 186 187 #define DO(stat, row, col) \ 188 mvwprintw(wnd, row, col, "%9lu", stats.stat) 189 190 DO(ip6s_total, 2, 0); 191 mvwprintw(wnd, 2, 35, "%9lu", totalout); 192 DO(ip6s_tooshort, 3, 0); 193 DO(ip6s_localout, 3, 35); 194 DO(ip6s_toosmall, 4, 0); 195 DO(ip6s_odropped, 4, 35); 196 DO(ip6s_badvers, 5, 0); 197 DO(ip6s_ofragments, 5, 35); 198 DO(ip6s_fragments, 6, 0); 199 DO(ip6s_cantfrag, 6, 35); 200 DO(ip6s_fragdropped, 7, 0); 201 DO(ip6s_noroute, 7, 35); 202 DO(ip6s_fragtimeout, 8, 0); 203 DO(ip6s_rawout, 8, 35); 204 DO(ip6s_fragoverflow, 9, 0); 205 DO(ip6s_reassembled, 10, 0); 206 DO(ip6s_forward, 11, 0); 207 DO(ip6s_nxthist[IPPROTO_DSTOPTS], 11, 35); 208 DO(ip6s_cantforward, 12, 0); 209 DO(ip6s_nxthist[IPPROTO_HOPOPTS], 12, 35); 210 DO(ip6s_redirectsent, 13, 0); 211 DO(ip6s_nxthist[IPPROTO_IPV4], 13, 35); 212 DO(ip6s_badoptions, 14, 0); 213 DO(ip6s_nxthist[IPPROTO_TCP], 14, 35); 214 DO(ip6s_notmember, 15, 0); 215 DO(ip6s_nxthist[IPPROTO_UDP], 15, 35); 216 DO(ip6s_delivered, 16, 0); 217 DO(ip6s_nxthist[IPPROTO_IPV6], 16, 35); 218 DO(ip6s_badscope, 17, 0); 219 DO(ip6s_nxthist[IPPROTO_ROUTING], 17, 35); 220 DO(ip6s_sources_none, 18, 0); 221 DO(ip6s_nxthist[IPPROTO_FRAGMENT], 18, 35); 222 DO(ip6s_nxthist[IPPROTO_ICMPV6], 19, 35); 223 DO(ip6s_nxthist[IPPROTO_NONE], 20, 35); 224 #undef DO 225 } 226 227 int 228 initip6(void) 229 { 230 size_t len; 231 int name[4]; 232 233 name[0] = CTL_NET; 234 name[1] = PF_INET6; 235 name[2] = IPPROTO_IPV6; 236 name[3] = IPV6CTL_STATS; 237 238 len = 0; 239 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 240 error("sysctl getting ip6stat size failed"); 241 return 0; 242 } 243 if (len > sizeof curstat) { 244 error("ip6stat structure has grown--recompile systat!"); 245 return 0; 246 } 247 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 248 error("sysctl getting ip6stat failed"); 249 return 0; 250 } 251 oldstat = initstat; 252 return 1; 253 } 254 255 void 256 resetip6(void) 257 { 258 size_t len; 259 int name[4]; 260 261 name[0] = CTL_NET; 262 name[1] = PF_INET6; 263 name[2] = IPPROTO_IPV6; 264 name[3] = IPV6CTL_STATS; 265 266 len = sizeof initstat; 267 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 268 error("sysctl getting ipstat failed"); 269 } 270 271 oldstat = initstat; 272 } 273 274 void 275 fetchip6(void) 276 { 277 int name[4]; 278 size_t len; 279 280 oldstat = curstat; 281 name[0] = CTL_NET; 282 name[1] = PF_INET6; 283 name[2] = IPPROTO_IPV6; 284 name[3] = IPV6CTL_STATS; 285 len = sizeof curstat; 286 287 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0) 288 return; 289 } 290 291 #endif 292