1 /* 2 * Copyright 1996 Massachusetts Institute of Technology 3 * 4 * Permission to use, copy, modify, and distribute this software and 5 * its documentation for any purpose and without fee is hereby 6 * granted, provided that both the above copyright notice and this 7 * permission notice appear in all copies, that both the above 8 * copyright notice and this permission notice appear in all 9 * supporting documentation, and that the name of M.I.T. not be used 10 * in advertising or publicity pertaining to distribution of the 11 * software without specific, written prior permission. M.I.T. makes 12 * no representations about the suitability of this software for any 13 * purpose. It is provided "as is" without express or implied 14 * warranty. 15 * 16 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS 17 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, 18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT 20 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 26 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 #include <sys/types.h> 32 #include <sys/socket.h> /* for PF_LINK */ 33 #include <sys/sysctl.h> 34 #include <sys/time.h> 35 36 #include <err.h> 37 #include <errno.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <sysexits.h> 42 #include <unistd.h> 43 44 #include <net/if.h> 45 #include <net/if_types.h> 46 #include <net/if_mib.h> 47 48 #include "ifinfo.h" 49 50 static void printit(const struct ifmibdata *, const char *); 51 static const char *iftype(int); 52 static int isit(int, char **, const char *); 53 static printfcn findlink(int); 54 55 static void 56 usage(const char *argv0) 57 { 58 fprintf(stderr, "%s: usage:\n\t%s [-l]\n", argv0, argv0); 59 exit(EX_USAGE); 60 } 61 62 int 63 main(int argc, char **argv) 64 { 65 int i, maxifno, retval; 66 struct ifmibdata ifmd; 67 int name[6]; 68 size_t len; 69 int c; 70 int dolink = 0; 71 void *linkmib; 72 size_t linkmiblen; 73 printfcn pf; 74 char *dname; 75 76 while ((c = getopt(argc, argv, "l")) != -1) { 77 switch(c) { 78 case 'l': 79 dolink = 1; 80 break; 81 default: 82 usage(argv[0]); 83 } 84 } 85 86 retval = 1; 87 88 name[0] = CTL_NET; 89 name[1] = PF_LINK; 90 name[2] = NETLINK_GENERIC; 91 name[3] = IFMIB_SYSTEM; 92 name[4] = IFMIB_IFCOUNT; 93 94 len = sizeof maxifno; 95 if (sysctl(name, 5, &maxifno, &len, 0, 0) < 0) 96 err(EX_OSERR, "sysctl(net.link.generic.system.ifcount)"); 97 98 for (i = 1; i <= maxifno; i++) { 99 len = sizeof ifmd; 100 name[3] = IFMIB_IFDATA; 101 name[4] = i; 102 name[5] = IFDATA_GENERAL; 103 if (sysctl(name, 6, &ifmd, &len, 0, 0) < 0) { 104 if (errno == ENOENT) 105 continue; 106 107 err(EX_OSERR, "sysctl(net.link.ifdata.%d.general)", 108 i); 109 } 110 111 if (!isit(argc - optind, argv + optind, ifmd.ifmd_name)) 112 continue; 113 114 dname = NULL; 115 len = 0; 116 name[5] = IFDATA_DRIVERNAME; 117 if (sysctl(name, 6, NULL, &len, 0, 0) < 0) { 118 warn("sysctl(net.link.ifdata.%d.drivername)", i); 119 } else { 120 if ((dname = malloc(len)) == NULL) 121 err(EX_OSERR, NULL); 122 if (sysctl(name, 6, dname, &len, 0, 0) < 0) { 123 warn("sysctl(net.link.ifdata.%d.drivername)", 124 i); 125 free(dname); 126 dname = NULL; 127 } 128 } 129 printit(&ifmd, dname); 130 free(dname); 131 if (dolink && (pf = findlink(ifmd.ifmd_data.ifi_type))) { 132 name[5] = IFDATA_LINKSPECIFIC; 133 if (sysctl(name, 6, 0, &linkmiblen, 0, 0) < 0) 134 err(EX_OSERR, 135 "sysctl(net.link.ifdata.%d.linkspec) size", 136 i); 137 linkmib = malloc(linkmiblen); 138 if (!linkmib) 139 err(EX_OSERR, "malloc(%lu)", 140 (u_long)linkmiblen); 141 if (sysctl(name, 6, linkmib, &linkmiblen, 0, 0) < 0) 142 err(EX_OSERR, 143 "sysctl(net.link.ifdata.%d.linkspec)", 144 i); 145 pf(linkmib, linkmiblen); 146 free(linkmib); 147 } 148 retval = 0; 149 } 150 151 return retval; 152 } 153 154 static void 155 printit(const struct ifmibdata *ifmd, const char *dname) 156 { 157 printf("Interface %.*s", IFNAMSIZ, ifmd->ifmd_name); 158 if (dname != NULL) 159 printf(" (%s)", dname); 160 printf(":\n"); 161 printf("\tflags: %x\n", ifmd->ifmd_flags); 162 printf("\tpromiscuous listeners: %d\n", ifmd->ifmd_pcount); 163 printf("\tsend queue length: %d\n", ifmd->ifmd_snd_len); 164 printf("\tsend queue max length: %d\n", ifmd->ifmd_snd_maxlen); 165 printf("\tsend queue drops: %d\n", ifmd->ifmd_snd_drops); 166 printf("\ttype: %s\n", iftype(ifmd->ifmd_data.ifi_type)); 167 printf("\taddress length: %d\n", ifmd->ifmd_data.ifi_addrlen); 168 printf("\theader length: %d\n", ifmd->ifmd_data.ifi_hdrlen); 169 printf("\tlink state: %u\n", ifmd->ifmd_data.ifi_link_state); 170 printf("\tvhid: %u\n", ifmd->ifmd_data.ifi_vhid); 171 printf("\tdatalen: %u\n", ifmd->ifmd_data.ifi_datalen); 172 printf("\tmtu: %u\n", ifmd->ifmd_data.ifi_mtu); 173 printf("\tmetric: %u\n", ifmd->ifmd_data.ifi_metric); 174 printf("\tline rate: %lu bit/s\n", ifmd->ifmd_data.ifi_baudrate); 175 printf("\tpackets received: %lu\n", ifmd->ifmd_data.ifi_ipackets); 176 printf("\tinput errors: %lu\n", ifmd->ifmd_data.ifi_ierrors); 177 printf("\tpackets transmitted: %lu\n", ifmd->ifmd_data.ifi_opackets); 178 printf("\toutput errors: %lu\n", ifmd->ifmd_data.ifi_oerrors); 179 printf("\tcollisions: %lu\n", ifmd->ifmd_data.ifi_collisions); 180 printf("\tbytes received: %lu\n", ifmd->ifmd_data.ifi_ibytes); 181 printf("\tbytes transmitted: %lu\n", ifmd->ifmd_data.ifi_obytes); 182 printf("\tmulticasts received: %lu\n", ifmd->ifmd_data.ifi_imcasts); 183 printf("\tmulticasts transmitted: %lu\n", ifmd->ifmd_data.ifi_omcasts); 184 printf("\tinput queue drops: %lu\n", ifmd->ifmd_data.ifi_iqdrops); 185 printf("\tpackets for unknown protocol: %lu\n", 186 ifmd->ifmd_data.ifi_noproto); 187 printf("\tHW offload capabilities: 0x%lx\n", 188 ifmd->ifmd_data.ifi_hwassist); 189 printf("\tuptime at attach or stat reset: %lu\n", 190 ifmd->ifmd_data.ifi_epoch); 191 #ifdef notdef 192 printf("\treceive timing: %lu usec\n", ifmd->ifmd_data.ifi_recvtiming); 193 printf("\ttransmit timing: %lu usec\n", 194 ifmd->ifmd_data.ifi_xmittiming); 195 #endif 196 } 197 198 static const char *const if_types[] = { 199 "reserved", 200 "other", 201 "BBN 1822", 202 "HDH 1822", 203 "X.25 DDN", 204 "X.25", 205 "Ethernet", 206 "ISO 8802-3 CSMA/CD", 207 "ISO 8802-4 Token Bus", 208 "ISO 8802-5 Token Ring", 209 "ISO 8802-6 DQDB MAN", 210 "StarLAN", 211 "Proteon proNET-10", 212 "Proteon proNET-80", 213 "HyperChannel", 214 "FDDI", 215 "LAP-B", 216 "SDLC", 217 "T-1", 218 "CEPT", 219 "Basic rate ISDN", 220 "Primary rate ISDN", 221 "Proprietary P2P", 222 "PPP", 223 "Loopback", 224 "ISO CLNP over IP", 225 "Experimental Ethernet", 226 "XNS over IP", 227 "SLIP", 228 "Ultra Technologies", 229 "DS-3", 230 "SMDS", 231 "Frame Relay", 232 "RS-232 serial", 233 "Parallel printer port", 234 "ARCNET", 235 "ARCNET+", 236 "ATM", 237 "MIOX25", 238 "SONET/SDH", 239 "X25PLE", 240 "ISO 8802-2 LLC", 241 "LocalTalk", 242 "SMDSDXI", 243 "Frame Relay DCE", 244 "V.35", 245 "HSSI", 246 "HIPPI", 247 "Generic Modem", 248 "ATM AAL5", 249 "SONETPATH", 250 "SONETVT", 251 "SMDS InterCarrier Interface", 252 "Proprietary virtual interface", 253 "Proprietary multiplexing", 254 "Generic tunnel interface", 255 "IPv6-to-IPv4 TCP relay capturing interface", 256 "6to4 tunnel interface" 257 }; 258 #define NIFTYPES (int)((sizeof if_types)/(sizeof if_types[0])) 259 260 static const char * 261 iftype(int type) 262 { 263 static char buf[256]; 264 265 if (type <= 0 || type >= NIFTYPES) { 266 sprintf(buf, "unknown type %d", type); 267 return buf; 268 } 269 270 return if_types[type]; 271 } 272 273 static int 274 isit(int argc, char **argv, const char *name) 275 { 276 if (argc == 0) 277 return 1; 278 for (argc = 0; argv[argc]; argc++) { 279 if (strncmp(argv[argc], name, IFNAMSIZ) == 0) 280 return 1; 281 } 282 return 0; 283 } 284 285 static printfcn 286 findlink(int type) 287 { 288 switch(type) { 289 case IFT_ETHER: 290 case IFT_ISO88023: 291 case IFT_STARLAN: 292 return print_1650; 293 } 294 295 return 0; 296 } 297