ip6.c revision 1.7
1 /* $NetBSD: ip6.c,v 1.7 2000/07/16 03:07:20 itojun 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 1.7 2000/07/16 03:07:20 itojun Exp $"); 33 #endif /* not lint */ 34 35 #include <sys/param.h> 36 #include <sys/types.h> 37 #include <sys/socket.h> 38 #include <sys/sysctl.h> 39 40 #include <netinet/in.h> 41 #include <netinet/in_systm.h> 42 #include <netinet/ip6.h> 43 #include <netinet6/ip6_var.h> 44 45 #include <stdlib.h> 46 #include <string.h> 47 #include <paths.h> 48 #include <nlist.h> 49 #include <kvm.h> 50 51 #include "systat.h" 52 #include "extern.h" 53 54 #define LHD(row, str) mvwprintw(wnd, row, 10, str) 55 #define RHD(row, str) mvwprintw(wnd, row, 45, str); 56 #define SHOW(stat, row, col) \ 57 mvwprintw(wnd, row, col, "%9llu", (unsigned long long)curstat.##stat) 58 59 enum update { 60 UPDATE_TIME, 61 UPDATE_BOOT, 62 UPDATE_RUN, 63 }; 64 65 static enum update update = UPDATE_TIME; 66 static struct ip6stat curstat; 67 static struct ip6stat newstat; 68 static struct ip6stat oldstat; 69 70 static struct nlist namelist[] = { 71 { "_ip6stat" }, 72 { "" } 73 }; 74 75 WINDOW * 76 openip6(void) 77 { 78 79 return (subwin(stdscr, LINES-5-1, 0, 5, 0)); 80 } 81 82 void 83 closeip6(WINDOW *w) 84 { 85 86 if (w != NULL) { 87 wclear(w); 88 wrefresh(w); 89 delwin(w); 90 } 91 } 92 93 void 94 labelip6(void) 95 { 96 97 wmove(wnd, 0, 0); wclrtoeol(wnd); 98 99 LHD(0, "total packet received"); 100 LHD(1, " smaller than minimum"); 101 LHD(2, " data size < data length"); 102 LHD(3, " bad options"); 103 LHD(4, " incorrect version no"); 104 LHD(5, " headers not continuous"); 105 LHD(6, " packet for this host"); 106 LHD(7, " multicast we don't join"); 107 LHD(8, " too many headers"); 108 LHD(9, " tunneled packet w/o gif"); 109 110 LHD(11, " fragment received"); 111 LHD(12, " fragment dropped"); 112 LHD(13, " fragment timeout"); 113 LHD(14, " fragment exceeded limit"); 114 LHD(15, " packet reassembled ok"); 115 116 #if 0 117 LHD(17, "one mbuf"); 118 LHD(18, "one ext mbuf"); 119 LHD(19, "two or more ext mbuf"); 120 LHD(20, "two or more mbuf"); 121 #endif 122 123 RHD(0, "packet forwarded"); 124 RHD(1, " packet not forwardable"); 125 RHD(2, " redirect sent"); 126 127 RHD(4, "packet sent from this host"); 128 RHD(5, " fabricated ip header"); 129 RHD(6, " dropped output (no bufs)"); 130 RHD(7, " dropped output (no route)"); 131 RHD(8, " output datagram fragmented"); 132 RHD(9, " fragment created"); 133 RHD(10, " can't be fragmented"); 134 135 RHD(12, "violated scope rules"); 136 } 137 138 void 139 showip6(void) 140 { 141 #if 0 142 u_quad_t m2m; 143 int i; 144 145 m2m = 0; 146 for (i = 0; 147 i < sizeof(curstat.ip6s_m2m)/sizeof(curstat.ip6s_m2m[0]); 148 i++) { 149 m2m += curstat.ip6s_m2m[i]; 150 } 151 #endif 152 153 SHOW(ip6s_total, 0, 0); 154 SHOW(ip6s_toosmall, 1, 0); 155 SHOW(ip6s_tooshort, 2, 0); 156 SHOW(ip6s_badoptions, 3, 0); 157 SHOW(ip6s_badvers, 4, 0); 158 SHOW(ip6s_exthdrtoolong, 5, 0); 159 SHOW(ip6s_delivered, 6, 0); 160 SHOW(ip6s_notmember, 7, 0); 161 SHOW(ip6s_toomanyhdr, 8, 0); 162 SHOW(ip6s_nogif, 9, 0); 163 164 SHOW(ip6s_fragments, 11, 0); 165 SHOW(ip6s_fragdropped, 12, 0); 166 SHOW(ip6s_fragtimeout, 13, 0); 167 SHOW(ip6s_fragoverflow, 14, 0); 168 SHOW(ip6s_reassembled, 15, 0); 169 170 #if 0 171 SHOW(ip6s_m1, 17, 0); 172 SHOW(ip6s_mext1, 18, 0); 173 SHOW(ip6s_mext2m, 19, 0); 174 mvwprintw(wnd, 20, 0, "%9llu", (unsigned long long)m2m); 175 #endif 176 177 SHOW(ip6s_forward, 0, 35); 178 SHOW(ip6s_cantforward, 1, 35); 179 SHOW(ip6s_redirectsent, 2, 35); 180 181 SHOW(ip6s_localout, 4, 35); 182 SHOW(ip6s_rawout, 5, 35); 183 SHOW(ip6s_odropped, 6, 35); 184 SHOW(ip6s_noroute, 7, 35); 185 SHOW(ip6s_fragmented, 8, 35); 186 SHOW(ip6s_ofragments, 9, 35); 187 SHOW(ip6s_cantfrag, 10, 35); 188 189 SHOW(ip6s_badscope, 12, 35); 190 } 191 192 int 193 initip6(void) 194 { 195 int n; 196 197 if (namelist[0].n_type == 0) { 198 n = kvm_nlist(kd, namelist); 199 if (n < 0) { 200 nlisterr(namelist); 201 return(0); 202 } else if (n == sizeof(namelist) / sizeof(namelist[0]) - 1) { 203 error("No namelist"); 204 return(0); 205 } 206 } 207 return 1; 208 } 209 210 void 211 fetchip6(void) 212 { 213 214 KREAD((void *)namelist[0].n_value, &newstat, sizeof(newstat)); 215 216 ADJINETCTR(curstat, oldstat, newstat, ip6s_total); 217 ADJINETCTR(curstat, oldstat, newstat, ip6s_toosmall); 218 ADJINETCTR(curstat, oldstat, newstat, ip6s_tooshort); 219 ADJINETCTR(curstat, oldstat, newstat, ip6s_badoptions); 220 ADJINETCTR(curstat, oldstat, newstat, ip6s_badvers); 221 ADJINETCTR(curstat, oldstat, newstat, ip6s_exthdrtoolong); 222 ADJINETCTR(curstat, oldstat, newstat, ip6s_delivered); 223 ADJINETCTR(curstat, oldstat, newstat, ip6s_notmember); 224 ADJINETCTR(curstat, oldstat, newstat, ip6s_toomanyhdr); 225 ADJINETCTR(curstat, oldstat, newstat, ip6s_nogif); 226 ADJINETCTR(curstat, oldstat, newstat, ip6s_fragments); 227 ADJINETCTR(curstat, oldstat, newstat, ip6s_fragdropped); 228 ADJINETCTR(curstat, oldstat, newstat, ip6s_fragtimeout); 229 ADJINETCTR(curstat, oldstat, newstat, ip6s_fragoverflow); 230 ADJINETCTR(curstat, oldstat, newstat, ip6s_reassembled); 231 ADJINETCTR(curstat, oldstat, newstat, ip6s_m1); 232 ADJINETCTR(curstat, oldstat, newstat, ip6s_mext1); 233 ADJINETCTR(curstat, oldstat, newstat, ip6s_mext2m); 234 ADJINETCTR(curstat, oldstat, newstat, ip6s_forward); 235 ADJINETCTR(curstat, oldstat, newstat, ip6s_cantforward); 236 ADJINETCTR(curstat, oldstat, newstat, ip6s_redirectsent); 237 ADJINETCTR(curstat, oldstat, newstat, ip6s_localout); 238 ADJINETCTR(curstat, oldstat, newstat, ip6s_rawout); 239 ADJINETCTR(curstat, oldstat, newstat, ip6s_odropped); 240 ADJINETCTR(curstat, oldstat, newstat, ip6s_noroute); 241 ADJINETCTR(curstat, oldstat, newstat, ip6s_fragmented); 242 ADJINETCTR(curstat, oldstat, newstat, ip6s_ofragments); 243 ADJINETCTR(curstat, oldstat, newstat, ip6s_cantfrag); 244 ADJINETCTR(curstat, oldstat, newstat, ip6s_badscope); 245 246 if (update == UPDATE_TIME) 247 memcpy(&oldstat, &newstat, sizeof(oldstat)); 248 } 249 250 void 251 ip6_boot(char *args) 252 { 253 254 memset(&oldstat, 0, sizeof(oldstat)); 255 update = UPDATE_BOOT; 256 } 257 258 void 259 ip6_run(char *args) 260 { 261 262 if (update != UPDATE_RUN) { 263 memcpy(&oldstat, &newstat, sizeof(oldstat)); 264 update = UPDATE_RUN; 265 } 266 } 267 268 void 269 ip6_time(char *args) 270 { 271 272 if (update != UPDATE_TIME) { 273 memcpy(&oldstat, &newstat, sizeof(oldstat)); 274 update = UPDATE_TIME; 275 } 276 } 277 278 void 279 ip6_zero(char *args) 280 { 281 282 if (update == UPDATE_RUN) 283 memcpy(&oldstat, &newstat, sizeof(oldstat)); 284 } 285
Indexes created Thu Sep 25 02:09:54 GMT 2025