1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1980, 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 33 34 /* From: 35 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp" 36 */ 37 38 #ifdef INET6 39 #include <sys/param.h> 40 #include <sys/types.h> 41 #include <sys/socket.h> 42 #include <sys/sysctl.h> 43 44 #include <netinet/in.h> 45 #include <netinet/in_systm.h> 46 #include <netinet/ip.h> 47 #include <netinet6/ip6_var.h> 48 49 #include <inttypes.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <paths.h> 53 54 #include "systat.h" 55 #include "extern.h" 56 #include "mode.h" 57 58 static struct ip6stat curstat, initstat, oldstat; 59 60 /*- 61 --0 1 2 3 4 5 6 7 62 --0123456789012345678901234567890123456789012345678901234567890123456789012345 63 00 IPv6 Input IPv6 Output 64 019999999 total packets received 999999999 total packets sent 65 029999999 - too short for header 999999999 - generated locally 66 039999999 - too short for data 999999999 - output drops 67 049999999 - with invalid version 999999999 output fragments generated 68 059999999 total fragments received 999999999 - fragmentation failed 69 069999999 - fragments dropped 999999999 destinations unreachable 70 079999999 - fragments timed out 999999999 packets output via raw IP 71 089999999 - fragments overflown 72 099999999 - packets reassembled ok Input next-header histogram 73 109999999 packets forwarded 999999999 - destination options 74 119999999 - unreachable dests 999999999 - hop-by-hop options 75 129999999 - redirects generated 999999999 - IPv4 76 139999999 option errors 999999999 - TCP 77 149999999 unwanted multicasts 999999999 - UDP 78 159999999 delivered to upper layer 999999999 - IPv6 79 169999999 bad scope packets 999999999 - routing header 80 179999999 address selection failed 999999999 - fragmentation header 81 18 999999999 - ICMP6 82 19 999999999 - none 83 --0123456789012345678901234567890123456789012345678901234567890123456789012345 84 --0 1 2 3 4 5 6 7 85 */ 86 87 WINDOW * 88 openip6(void) 89 { 90 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 91 } 92 93 void 94 closeip6(WINDOW *w) 95 { 96 if (w == NULL) 97 return; 98 wclear(w); 99 wrefresh(w); 100 delwin(w); 101 } 102 103 void 104 labelip6(void) 105 { 106 wmove(wnd, 0, 0); wclrtoeol(wnd); 107 #define L(row, str) mvwprintw(wnd, row, 10, str) 108 #define R(row, str) mvwprintw(wnd, row, 45, str); 109 L(0, "IPv6 Input"); R(0, "IPv6 Output"); 110 L(1, "total packets received"); R(1, "total packets sent"); 111 L(2, "- too short for header"); R(2, "- generated locally"); 112 L(3, "- too short for data"); R(3, "- output drops"); 113 L(4, "- with invalid version"); R(4, "output fragments generated"); 114 L(5, "total fragments received"); R(5, "- fragmentation failed"); 115 L(6, "- fragments dropped"); R(6, "destinations unreachable"); 116 L(7, "- fragments timed out"); R(7, "packets output via raw IP"); 117 L(8, "- fragments overflown"); 118 L(9, "- atomic fragments"); R(9, "Input next-header histogram"); 119 L(10, "- packets reassembled ok"); R(10, " - destination options"); 120 L(11, "packets forwarded"); R(11, " - hop-by-hop options"); 121 L(12, "- unreachable dests"); R(12, " - IPv4"); 122 L(13, "- redirects generated"); R(13, " - TCP"); 123 L(14, "option errors"); R(14, " - UDP"); 124 L(15, "unwanted multicasts"); R(15, " - IPv6"); 125 L(16, "delivered to upper layer"); R(16, " - routing header"); 126 L(17, "bad scope packets"); R(17, " - fragmentation header"); 127 L(18, "address selection failed");R(18, " - ICMP6"); 128 R(19, " - none"); 129 #undef L 130 #undef R 131 } 132 133 static void 134 domode(struct ip6stat *ret) 135 { 136 const struct ip6stat *sub; 137 int divisor = 1, i; 138 139 switch(currentmode) { 140 case display_RATE: 141 sub = &oldstat; 142 divisor = (delay > 1000000) ? delay / 1000000 : 1; 143 break; 144 case display_DELTA: 145 sub = &oldstat; 146 break; 147 case display_SINCE: 148 sub = &initstat; 149 break; 150 default: 151 *ret = curstat; 152 return; 153 } 154 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 155 DO(ip6s_total); 156 DO(ip6s_tooshort); 157 DO(ip6s_toosmall); 158 DO(ip6s_fragments); 159 DO(ip6s_fragdropped); 160 DO(ip6s_fragtimeout); 161 DO(ip6s_fragoverflow); 162 DO(ip6s_atomicfrags); 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 uint64_t 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, "%9"PRIu64, stats.stat) 196 197 DO(ip6s_total, 1, 0); 198 mvwprintw(wnd, 1, 35, "%9"PRIu64, totalout); 199 DO(ip6s_tooshort, 2, 0); 200 DO(ip6s_localout, 2, 35); 201 DO(ip6s_toosmall, 3, 0); 202 DO(ip6s_odropped, 3, 35); 203 DO(ip6s_badvers, 4, 0); 204 DO(ip6s_ofragments, 4, 35); 205 DO(ip6s_fragments, 5, 0); 206 DO(ip6s_cantfrag, 5, 35); 207 DO(ip6s_fragdropped, 6, 0); 208 DO(ip6s_noroute, 6, 35); 209 DO(ip6s_fragtimeout, 7, 0); 210 DO(ip6s_rawout, 7, 35); 211 DO(ip6s_fragoverflow, 8, 0); 212 DO(ip6s_atomicfrags, 9, 0); 213 DO(ip6s_reassembled, 10, 0); 214 DO(ip6s_forward, 11, 0); 215 DO(ip6s_nxthist[IPPROTO_DSTOPTS], 10, 35); 216 DO(ip6s_cantforward, 12, 0); 217 DO(ip6s_nxthist[IPPROTO_HOPOPTS], 11, 35); 218 DO(ip6s_redirectsent, 13, 0); 219 DO(ip6s_nxthist[IPPROTO_IPV4], 12, 35); 220 DO(ip6s_badoptions, 14, 0); 221 DO(ip6s_nxthist[IPPROTO_TCP], 13, 35); 222 DO(ip6s_notmember, 15, 0); 223 DO(ip6s_nxthist[IPPROTO_UDP], 14, 35); 224 DO(ip6s_delivered, 16, 0); 225 DO(ip6s_nxthist[IPPROTO_IPV6], 15, 35); 226 DO(ip6s_badscope, 17, 0); 227 DO(ip6s_nxthist[IPPROTO_ROUTING], 16, 35); 228 DO(ip6s_sources_none, 18, 0); 229 DO(ip6s_nxthist[IPPROTO_FRAGMENT], 17, 35); 230 DO(ip6s_nxthist[IPPROTO_ICMPV6], 18, 35); 231 DO(ip6s_nxthist[IPPROTO_NONE], 19, 35); 232 #undef DO 233 } 234 235 int 236 initip6(void) 237 { 238 size_t len; 239 int name[4]; 240 241 name[0] = CTL_NET; 242 name[1] = PF_INET6; 243 name[2] = IPPROTO_IPV6; 244 name[3] = IPV6CTL_STATS; 245 246 len = 0; 247 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 248 error("sysctl getting ip6stat size failed"); 249 return 0; 250 } 251 if (len > sizeof curstat) { 252 error("ip6stat structure has grown--recompile systat!"); 253 return 0; 254 } 255 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 256 error("sysctl getting ip6stat failed"); 257 return 0; 258 } 259 oldstat = initstat; 260 return 1; 261 } 262 263 void 264 resetip6(void) 265 { 266 size_t len; 267 int name[4]; 268 269 name[0] = CTL_NET; 270 name[1] = PF_INET6; 271 name[2] = IPPROTO_IPV6; 272 name[3] = IPV6CTL_STATS; 273 274 len = sizeof initstat; 275 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 276 error("sysctl getting ipstat failed"); 277 } 278 279 oldstat = initstat; 280 } 281 282 void 283 fetchip6(void) 284 { 285 int name[4]; 286 size_t len; 287 288 oldstat = curstat; 289 name[0] = CTL_NET; 290 name[1] = PF_INET6; 291 name[2] = IPPROTO_IPV6; 292 name[3] = IPV6CTL_STATS; 293 len = sizeof curstat; 294 295 if (sysctl(name, 4, &curstat, &len, 0, 0) < 0) 296 return; 297 } 298 299 #endif 300