ip6.c revision 1.13
1 /* $NetBSD: ip6.c,v 1.13 2008/04/08 23:37:43 thorpej 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 1.13 2008/04/08 23:37:43 thorpej 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 static struct nlist namelist[] = { 65 { .n_name = "_ip6stat" }, 66 { .n_name = NULL } 67 }; 68 69 WINDOW * 70 openip6(void) 71 { 72 73 return (subwin(stdscr, -1, 0, 5, 0)); 74 } 75 76 void 77 closeip6(WINDOW *w) 78 { 79 80 if (w != NULL) { 81 wclear(w); 82 wrefresh(w); 83 delwin(w); 84 } 85 } 86 87 void 88 labelip6(void) 89 { 90 91 wmove(wnd, 0, 0); wclrtoeol(wnd); 92 93 LHD(0, "total packet received"); 94 LHD(1, " smaller than minimum"); 95 LHD(2, " data size < data length"); 96 LHD(3, " bad options"); 97 LHD(4, " incorrect version no"); 98 LHD(5, " headers not continuous"); 99 LHD(6, " packet for this host"); 100 LHD(7, " multicast we don't join"); 101 LHD(8, " too many headers"); 102 LHD(9, " tunneled packet w/o gif"); 103 104 LHD(11, " fragment received"); 105 LHD(12, " fragment dropped"); 106 LHD(13, " fragment timeout"); 107 LHD(14, " fragment exceeded limit"); 108 LHD(15, " packet reassembled ok"); 109 110 #if 0 111 LHD(17, "one mbuf"); 112 LHD(18, "one ext mbuf"); 113 LHD(19, "two or more ext mbuf"); 114 LHD(20, "two or more mbuf"); 115 #endif 116 117 RHD(0, "packet forwarded"); 118 RHD(1, " packet not forwardable"); 119 RHD(2, " redirect sent"); 120 121 RHD(4, "packet sent from this host"); 122 RHD(5, " fabricated ip header"); 123 RHD(6, " dropped output (no bufs)"); 124 RHD(7, " dropped output (no route)"); 125 RHD(8, " output datagram fragmented"); 126 RHD(9, " fragment created"); 127 RHD(10, " can't be fragmented"); 128 129 RHD(12, "violated scope rules"); 130 } 131 132 void 133 showip6(void) 134 { 135 #if 0 136 u_quad_t m2m; 137 int i; 138 139 m2m = 0; 140 for (i = 0; i < 32; i++) { 141 m2m += curstat[IP6_STAT_M2M + i]; 142 } 143 #endif 144 145 SHOW(IP6_STAT_TOTAL, 0, 0); 146 SHOW(IP6_STAT_TOOSMALL, 1, 0); 147 SHOW(IP6_STAT_TOOSHORT, 2, 0); 148 SHOW(IP6_STAT_BADOPTIONS, 3, 0); 149 SHOW(IP6_STAT_BADVERS, 4, 0); 150 SHOW(IP6_STAT_EXTHDRTOOLONG, 5, 0); 151 SHOW(IP6_STAT_DELIVERED, 6, 0); 152 SHOW(IP6_STAT_NOTMEMBER, 7, 0); 153 SHOW(IP6_STAT_TOOMANYHDR, 8, 0); 154 SHOW(IP6_STAT_NOGIF, 9, 0); 155 156 SHOW(IP6_STAT_FRAGMENTS, 11, 0); 157 SHOW(IP6_STAT_FRAGDROPPED, 12, 0); 158 SHOW(IP6_STAT_FRAGTIMEOUT, 13, 0); 159 SHOW(IP6_STAT_FRAGOVERFLOW, 14, 0); 160 SHOW(IP6_STAT_REASSEMBLED, 15, 0); 161 162 #if 0 163 SHOW(IP6_STAT_M1, 17, 0); 164 SHOW(IP6_STAT_MEXT1, 18, 0); 165 SHOW(IP6_STAT_MEXT2M, 19, 0); 166 mvwprintw(wnd, 20, 0, "%9llu", (unsigned long long)m2m); 167 #endif 168 169 SHOW(IP6_STAT_FORWARD, 0, 35); 170 SHOW(IP6_STAT_CANTFORWARD, 1, 35); 171 SHOW(IP6_STAT_REDIRECTSENT, 2, 35); 172 173 SHOW(IP6_STAT_LOCALOUT, 4, 35); 174 SHOW(IP6_STAT_RAWOUT, 5, 35); 175 SHOW(IP6_STAT_ODROPPED, 6, 35); 176 SHOW(IP6_STAT_NOROUTE, 7, 35); 177 SHOW(IP6_STAT_FRAGMENTED, 8, 35); 178 SHOW(IP6_STAT_OFRAGMENTS, 9, 35); 179 SHOW(IP6_STAT_CANTFRAG, 10, 35); 180 181 SHOW(IP6_STAT_BADSCOPE, 12, 35); 182 } 183 184 int 185 initip6(void) 186 { 187 int n; 188 189 if (namelist[0].n_type == 0) { 190 n = kvm_nlist(kd, namelist); 191 if (n < 0) { 192 nlisterr(namelist); 193 return(0); 194 } else if (n == sizeof(namelist) / sizeof(namelist[0]) - 1) { 195 error("No namelist"); 196 return(0); 197 } 198 } 199 return 1; 200 } 201 202 void 203 fetchip6(void) 204 { 205 int i; 206 207 KREAD((void *)namelist[0].n_value, newstat, sizeof(newstat)); 208 209 for (i = 0; i < IP6_NSTATS; i++) 210 xADJINETCTR(curstat, oldstat, newstat, i); 211 212 if (update == UPDATE_TIME) 213 memcpy(oldstat, newstat, sizeof(oldstat)); 214 } 215 216 void 217 ip6_boot(char *args) 218 { 219 220 memset(oldstat, 0, sizeof(oldstat)); 221 update = UPDATE_BOOT; 222 } 223 224 void 225 ip6_run(char *args) 226 { 227 228 if (update != UPDATE_RUN) { 229 memcpy(oldstat, newstat, sizeof(oldstat)); 230 update = UPDATE_RUN; 231 } 232 } 233 234 void 235 ip6_time(char *args) 236 { 237 238 if (update != UPDATE_TIME) { 239 memcpy(oldstat, newstat, sizeof(oldstat)); 240 update = UPDATE_TIME; 241 } 242 } 243 244 void 245 ip6_zero(char *args) 246 { 247 248 if (update == UPDATE_RUN) 249 memcpy(oldstat, newstat, sizeof(oldstat)); 250 } 251
Indexes created Fri Sep 26 08:10:20 GMT 2025