1 /* $NetBSD: ip6.c,v 1.16 2014/06/03 22:22:41 joerg Exp $ */ 2 3 /* 4 * Copyright (c) 1999, 2000 Andrew Doran <ad (at) NetBSD.org> 5 * 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 30 #include <sys/cdefs.h> 31 #ifndef lint 32 __RCSID("$NetBSD: ip6.c,v 1.16 2014/06/03 22:22:41 joerg Exp $"); 33 #endif /* not lint */ 34 35 #include <sys/param.h> 36 #include <sys/sysctl.h> 37 38 #include <netinet/in.h> 39 #include <netinet/in_systm.h> 40 #include <netinet/ip6.h> 41 #include <netinet6/ip6_var.h> 42 43 #include <string.h> 44 45 #include "systat.h" 46 #include "extern.h" 47 48 #define LHD(row, str) mvwprintw(wnd, row, 10, str) 49 #define RHD(row, str) mvwprintw(wnd, row, 45, str); 50 #define SHOW(stat, row, col) \ 51 mvwprintw(wnd, row, col, "%9llu", (unsigned long long)curstat[stat]) 52 53 enum update { 54 UPDATE_TIME, 55 UPDATE_BOOT, 56 UPDATE_RUN, 57 }; 58 59 static enum update update = UPDATE_TIME; 60 static uint64_t curstat[IP6_NSTATS]; 61 static uint64_t newstat[IP6_NSTATS]; 62 static uint64_t oldstat[IP6_NSTATS]; 63 64 WINDOW * 65 openip6(void) 66 { 67 68 return (subwin(stdscr, -1, 0, 5, 0)); 69 } 70 71 void 72 closeip6(WINDOW *w) 73 { 74 75 if (w != NULL) { 76 wclear(w); 77 wrefresh(w); 78 delwin(w); 79 } 80 } 81 82 void 83 labelip6(void) 84 { 85 86 wmove(wnd, 0, 0); wclrtoeol(wnd); 87 88 LHD(0, "total packet received"); 89 LHD(1, " smaller than minimum"); 90 LHD(2, " data size < data length"); 91 LHD(3, " bad options"); 92 LHD(4, " incorrect version no"); 93 LHD(5, " headers not continuous"); 94 LHD(6, " packet for this host"); 95 LHD(7, " multicast we don't join"); 96 LHD(8, " too many headers"); 97 LHD(9, " tunneled packet w/o gif"); 98 99 LHD(11, " fragment received"); 100 LHD(12, " fragment dropped"); 101 LHD(13, " fragment timeout"); 102 LHD(14, " fragment exceeded limit"); 103 LHD(15, " packet reassembled ok"); 104 105 #if 0 106 LHD(17, "one mbuf"); 107 LHD(18, "one ext mbuf"); 108 LHD(19, "two or more ext mbuf"); 109 LHD(20, "two or more mbuf"); 110 #endif 111 112 RHD(0, "packet forwarded"); 113 RHD(1, " packet not forwardable"); 114 RHD(2, " redirect sent"); 115 116 RHD(4, "packet sent from this host"); 117 RHD(5, " fabricated ip header"); 118 RHD(6, " dropped output (no bufs)"); 119 RHD(7, " dropped output (no route)"); 120 RHD(8, " output datagram fragmented"); 121 RHD(9, " fragment created"); 122 RHD(10, " can't be fragmented"); 123 124 RHD(12, "violated scope rules"); 125 } 126 127 void 128 showip6(void) 129 { 130 #if 0 131 u_quad_t m2m; 132 int i; 133 134 m2m = 0; 135 for (i = 0; i < 32; i++) { 136 m2m += curstat[IP6_STAT_M2M + i]; 137 } 138 #endif 139 140 SHOW(IP6_STAT_TOTAL, 0, 0); 141 SHOW(IP6_STAT_TOOSMALL, 1, 0); 142 SHOW(IP6_STAT_TOOSHORT, 2, 0); 143 SHOW(IP6_STAT_BADOPTIONS, 3, 0); 144 SHOW(IP6_STAT_BADVERS, 4, 0); 145 SHOW(IP6_STAT_EXTHDRTOOLONG, 5, 0); 146 SHOW(IP6_STAT_DELIVERED, 6, 0); 147 SHOW(IP6_STAT_NOTMEMBER, 7, 0); 148 SHOW(IP6_STAT_TOOMANYHDR, 8, 0); 149 SHOW(IP6_STAT_NOGIF, 9, 0); 150 151 SHOW(IP6_STAT_FRAGMENTS, 11, 0); 152 SHOW(IP6_STAT_FRAGDROPPED, 12, 0); 153 SHOW(IP6_STAT_FRAGTIMEOUT, 13, 0); 154 SHOW(IP6_STAT_FRAGOVERFLOW, 14, 0); 155 SHOW(IP6_STAT_REASSEMBLED, 15, 0); 156 157 #if 0 158 SHOW(IP6_STAT_M1, 17, 0); 159 SHOW(IP6_STAT_MEXT1, 18, 0); 160 SHOW(IP6_STAT_MEXT2M, 19, 0); 161 mvwprintw(wnd, 20, 0, "%9llu", (unsigned long long)m2m); 162 #endif 163 164 SHOW(IP6_STAT_FORWARD, 0, 35); 165 SHOW(IP6_STAT_CANTFORWARD, 1, 35); 166 SHOW(IP6_STAT_REDIRECTSENT, 2, 35); 167 168 SHOW(IP6_STAT_LOCALOUT, 4, 35); 169 SHOW(IP6_STAT_RAWOUT, 5, 35); 170 SHOW(IP6_STAT_ODROPPED, 6, 35); 171 SHOW(IP6_STAT_NOROUTE, 7, 35); 172 SHOW(IP6_STAT_FRAGMENTED, 8, 35); 173 SHOW(IP6_STAT_OFRAGMENTS, 9, 35); 174 SHOW(IP6_STAT_CANTFRAG, 10, 35); 175 176 SHOW(IP6_STAT_BADSCOPE, 12, 35); 177 } 178 179 int 180 initip6(void) 181 { 182 183 return 1; 184 } 185 186 void 187 fetchip6(void) 188 { 189 size_t i, size = sizeof(newstat); 190 191 if (sysctlbyname("net.inet6.ip6.stats", newstat, &size, NULL, 0) == -1) 192 return; 193 194 for (i = 0; i < IP6_NSTATS; i++) 195 xADJINETCTR(curstat, oldstat, newstat, i); 196 197 if (update == UPDATE_TIME) 198 memcpy(oldstat, newstat, sizeof(oldstat)); 199 } 200 201 void 202 ip6_boot(char *args) 203 { 204 205 memset(oldstat, 0, sizeof(oldstat)); 206 update = UPDATE_BOOT; 207 } 208 209 void 210 ip6_run(char *args) 211 { 212 213 if (update != UPDATE_RUN) { 214 memcpy(oldstat, newstat, sizeof(oldstat)); 215 update = UPDATE_RUN; 216 } 217 } 218 219 void 220 ip6_time(char *args) 221 { 222 223 if (update != UPDATE_TIME) { 224 memcpy(oldstat, newstat, sizeof(oldstat)); 225 update = UPDATE_TIME; 226 } 227 } 228 229 void 230 ip6_zero(char *args) 231 { 232 233 if (update == UPDATE_RUN) 234 memcpy(oldstat, newstat, sizeof(oldstat)); 235 } 236
Indexes created Mon Sep 22 10:09:38 GMT 2025