2 * Copyright (c) 2013 Gleb Smirnoff <glebius@FreeBSD.org>
3 * Copyright (c) 1983, 1988, 1993
4 * The Regents of the University of California. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 4. Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 static char sccsid[] = "@(#)if.c 8.3 (Berkeley) 4/28/95";
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
40 #include <sys/types.h>
41 #include <sys/protosw.h>
42 #include <sys/socket.h>
43 #include <sys/socketvar.h>
44 #include <sys/sysctl.h>
49 #include <net/if_var.h>
50 #include <net/if_dl.h>
51 #include <net/if_types.h>
52 #include <net/ethernet.h>
53 #include <netinet/in.h>
54 #include <netinet/in_var.h>
55 #include <netipx/ipx.h>
56 #include <netipx/ipx_if.h>
57 #include <arpa/inet.h>
59 #include <net/pfvar.h>
60 #include <net/if_pfsync.h>
81 static void sidewaysintpr(int);
84 static char addr_buf[NI_MAXHOST]; /* for getnameinfo() */
88 static const char* pfsyncacts[] = {
89 /* PFSYNC_ACT_CLR */ "clear all request",
90 /* PFSYNC_ACT_INS */ "state insert",
91 /* PFSYNC_ACT_INS_ACK */ "state inserted ack",
92 /* PFSYNC_ACT_UPD */ "state update",
93 /* PFSYNC_ACT_UPD_C */ "compressed state update",
94 /* PFSYNC_ACT_UPD_REQ */ "uncompressed state request",
95 /* PFSYNC_ACT_DEL */ "state delete",
96 /* PFSYNC_ACT_DEL_C */ "compressed state delete",
97 /* PFSYNC_ACT_INS_F */ "fragment insert",
98 /* PFSYNC_ACT_DEL_F */ "fragment delete",
99 /* PFSYNC_ACT_BUS */ "bulk update mark",
100 /* PFSYNC_ACT_TDB */ "TDB replay counter update",
101 /* PFSYNC_ACT_EOF */ "end of frame mark",
105 pfsync_acts_stats(const char *fmt, uint64_t *a)
109 for (i = 0; i < PFSYNC_ACT_MAX; i++, a++)
110 if (*a || sflag <= 1)
111 printf(fmt, *a, pfsyncacts[i], plural(*a));
115 * Dump pfsync statistics structure.
118 pfsync_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
120 struct pfsyncstats pfsyncstat, zerostat;
121 size_t len = sizeof(struct pfsyncstats);
125 memset(&zerostat, 0, len);
126 if (sysctlbyname("net.pfsync.stats", &pfsyncstat, &len,
127 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
129 warn("sysctl: net.pfsync.stats");
133 kread(off, &pfsyncstat, len);
135 printf("%s:\n", name);
137 #define p(f, m) if (pfsyncstat.f || sflag <= 1) \
138 printf(m, (uintmax_t)pfsyncstat.f, plural(pfsyncstat.f))
140 p(pfsyncs_ipackets, "\t%ju packet%s received (IPv4)\n");
141 p(pfsyncs_ipackets6, "\t%ju packet%s received (IPv6)\n");
142 pfsync_acts_stats("\t %ju %s%s received\n",
143 &pfsyncstat.pfsyncs_iacts[0]);
144 p(pfsyncs_badif, "\t\t%ju packet%s discarded for bad interface\n");
145 p(pfsyncs_badttl, "\t\t%ju packet%s discarded for bad ttl\n");
146 p(pfsyncs_hdrops, "\t\t%ju packet%s shorter than header\n");
147 p(pfsyncs_badver, "\t\t%ju packet%s discarded for bad version\n");
148 p(pfsyncs_badauth, "\t\t%ju packet%s discarded for bad HMAC\n");
149 p(pfsyncs_badact,"\t\t%ju packet%s discarded for bad action\n");
150 p(pfsyncs_badlen, "\t\t%ju packet%s discarded for short packet\n");
151 p(pfsyncs_badval, "\t\t%ju state%s discarded for bad values\n");
152 p(pfsyncs_stale, "\t\t%ju stale state%s\n");
153 p(pfsyncs_badstate, "\t\t%ju failed state lookup/insert%s\n");
154 p(pfsyncs_opackets, "\t%ju packet%s sent (IPv4)\n");
155 p(pfsyncs_opackets6, "\t%ju packet%s sent (IPv6)\n");
156 pfsync_acts_stats("\t %ju %s%s sent\n",
157 &pfsyncstat.pfsyncs_oacts[0]);
158 p(pfsyncs_onomem, "\t\t%ju failure%s due to mbuf memory error\n");
159 p(pfsyncs_oerrors, "\t\t%ju send error%s\n");
165 * Display a formatted value, or a '-' in the same space.
168 show_stat(const char *fmt, int width, u_long value, short showvalue)
170 const char *lsep, *rsep;
174 if (strncmp(fmt, "LS", 2) == 0) {
179 if (strncmp(fmt, "NRS", 3) == 0) {
183 if (showvalue == 0) {
184 /* Print just dash. */
185 sprintf(newfmt, "%s%%%ds%s", lsep, width, rsep);
193 /* Format in human readable form. */
194 humanize_number(buf, sizeof(buf), (int64_t)value, "",
195 HN_AUTOSCALE, HN_NOSPACE | HN_DECIMAL);
196 sprintf(newfmt, "%s%%%ds%s", lsep, width, rsep);
199 /* Construct the format string. */
200 sprintf(newfmt, "%s%%%d%s%s", lsep, width, fmt, rsep);
201 printf(newfmt, value);
206 * Find next multiaddr for a given interface name.
208 static struct ifmaddrs *
209 next_ifma(struct ifmaddrs *ifma, const char *name, const sa_family_t family)
212 for(; ifma != NULL; ifma = ifma->ifma_next) {
213 struct sockaddr_dl *sdl;
215 sdl = (struct sockaddr_dl *)ifma->ifma_name;
216 if (ifma->ifma_addr->sa_family == family &&
217 strcmp(sdl->sdl_data, name) == 0)
225 * Print a description of the network interfaces.
228 intpr(int interval, void (*pfunc)(char *), int af)
230 struct ifaddrs *ifap, *ifa;
231 struct ifmaddrs *ifmap, *ifma;
234 return sidewaysintpr(interval);
236 if (getifaddrs(&ifap) != 0)
237 err(EX_OSERR, "getifaddrs");
238 if (aflag && getifmaddrs(&ifmap) != 0)
239 err(EX_OSERR, "getifmaddrs");
243 printf("%-7.7s", "Name");
245 printf("%-5.5s", "Name");
246 printf(" %5.5s %-13.13s %-17.17s %8.8s %5.5s %5.5s",
247 "Mtu", "Network", "Address", "Ipkts", "Ierrs", "Idrop");
249 printf(" %10.10s","Ibytes");
250 printf(" %8.8s %5.5s", "Opkts", "Oerrs");
252 printf(" %10.10s","Obytes");
253 printf(" %5s", "Coll");
255 printf(" %s", "Drop");
259 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
260 bool network = false, link = false;
262 if (interface != NULL && strcmp(ifa->ifa_name, interface) != 0)
268 name = ifa->ifa_name;
272 * Skip all ifaddrs belonging to same interface.
274 while(ifa->ifa_next != NULL &&
275 (strcmp(ifa->ifa_next->ifa_name, name) == 0)) {
281 if (af != AF_UNSPEC && ifa->ifa_addr->sa_family != af)
285 printf("%-7.7s", ifa->ifa_name);
287 printf("%-5.5s", ifa->ifa_name);
289 #define IFA_MTU(ifa) (((struct if_data *)(ifa)->ifa_data)->ifi_mtu)
290 show_stat("lu", 6, IFA_MTU(ifa), IFA_MTU(ifa));
293 switch (ifa->ifa_addr->sa_family) {
295 printf("%-13.13s ", "none");
296 printf("%-15.15s ", "none");
300 struct sockaddr_in *sin, *mask;
302 sin = (struct sockaddr_in *)ifa->ifa_addr;
303 mask = (struct sockaddr_in *)ifa->ifa_netmask;
304 printf("%-13.13s ", netname(sin->sin_addr.s_addr,
305 mask->sin_addr.s_addr));
307 routename(sin->sin_addr.s_addr));
315 struct sockaddr_in6 *sin6, *mask;
317 sin6 = (struct sockaddr_in6 *)ifa->ifa_addr;
318 mask = (struct sockaddr_in6 *)ifa->ifa_netmask;
320 printf("%-13.13s ", netname6(sin6, &mask->sin6_addr));
321 getnameinfo(ifa->ifa_addr, ifa->ifa_addr->sa_len,
322 addr_buf, sizeof(addr_buf), 0, 0, NI_NUMERICHOST);
323 printf("%-17.17s ", addr_buf);
331 struct sockaddr_ipx *sipx;
335 sipx = (struct sockaddr_ipx *)ifa->ifa_addr;
336 *(union ipx_net *) &net = sipx->sipx_addr.x_net;
338 sprintf(netnum, "%lx", (u_long)ntohl(net));
339 printf("ipx:%-8s ", netnum);
340 printf("%-17s ", ipx_phost((struct sockaddr *)sipx));
346 printf("atalk:%-12.12s ",
347 atalk_print(ifa->ifa_addr, 0x10));
349 atalk_print(ifa->ifa_addr, 0x0b));
353 struct sockaddr_dl *sdl;
354 char *cp, linknum[10];
357 sdl = (struct sockaddr_dl *)ifa->ifa_addr;
358 cp = (char *)LLADDR(sdl);
360 sprintf(linknum, "<Link#%d>", sdl->sdl_index);
361 m = printf("%-13.13s ", linknum);
363 while ((--n >= 0) && (m < 30))
364 m += printf("%02x%c", *cp++ & 0xff,
375 #define IFA_STAT(s) (((struct if_data *)ifa->ifa_data)->ifi_ ## s)
376 show_stat("lu", 8, IFA_STAT(ipackets), link|network);
377 show_stat("lu", 5, IFA_STAT(ierrors), link);
378 show_stat("lu", 5, IFA_STAT(iqdrops), link);
380 show_stat("lu", 10, IFA_STAT(ibytes), link|network);
381 show_stat("lu", 8, IFA_STAT(opackets), link|network);
382 show_stat("lu", 5, IFA_STAT(oerrors), link);
384 show_stat("lu", 10, IFA_STAT(obytes), link|network);
385 show_stat("NRSlu", 5, IFA_STAT(collisions), link);
387 show_stat("LSlu", 5, IFA_STAT(oqdrops), link);
394 * Print family's multicast addresses.
396 for (ifma = next_ifma(ifmap, ifa->ifa_name,
397 ifa->ifa_addr->sa_family);
399 ifma = next_ifma(ifma, ifa->ifa_name,
400 ifa->ifa_addr->sa_family)) {
401 const char *fmt = NULL;
403 switch (ifma->ifma_addr->sa_family) {
406 struct sockaddr_in *sin;
408 sin = (struct sockaddr_in *)ifma->ifma_addr;
409 fmt = routename(sin->sin_addr.s_addr);
415 /* in6_fillscopeid(&msa.in6); */
416 getnameinfo(ifma->ifma_addr,
417 ifma->ifma_addr->sa_len, addr_buf,
418 sizeof(addr_buf), 0, 0, NI_NUMERICHOST);
420 Wflag ? 27 : 25, "", addr_buf);
425 struct sockaddr_dl *sdl;
427 sdl = (struct sockaddr_dl *)ifma->ifma_addr;
428 switch (sdl->sdl_type) {
432 (struct ether_addr *)LLADDR(sdl));
440 printf("%*s %-17.17s",
441 Wflag ? 27 : 25, "", fmt);
442 if (ifma->ifma_addr->sa_family == AF_LINK) {
443 printf(" %8lu", IFA_STAT(imcasts));
444 printf("%*s", bflag ? 17 : 6, "");
445 printf(" %8lu", IFA_STAT(omcasts));
450 ifma = ifma->ifma_next;
460 u_long ift_ip; /* input packets */
461 u_long ift_ie; /* input errors */
462 u_long ift_id; /* input drops */
463 u_long ift_op; /* output packets */
464 u_long ift_oe; /* output errors */
465 u_long ift_od; /* output drops */
466 u_long ift_co; /* collisions */
467 u_long ift_ib; /* input bytes */
468 u_long ift_ob; /* output bytes */
472 * Obtain stats for interface(s).
475 fill_iftot(struct iftot *st)
477 struct ifaddrs *ifap, *ifa;
480 if (getifaddrs(&ifap) != 0)
481 err(EX_OSERR, "getifaddrs");
483 bzero(st, sizeof(*st));
485 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
486 if (ifa->ifa_addr->sa_family != AF_LINK)
489 if (strcmp(ifa->ifa_name, interface) == 0)
495 st->ift_ip += IFA_STAT(ipackets);
496 st->ift_ie += IFA_STAT(ierrors);
497 st->ift_id += IFA_STAT(iqdrops);
498 st->ift_ib += IFA_STAT(ibytes);
499 st->ift_op += IFA_STAT(opackets);
500 st->ift_oe += IFA_STAT(oerrors);
501 st->ift_od += IFA_STAT(oqdrops);
502 st->ift_ob += IFA_STAT(obytes);
503 st->ift_co += IFA_STAT(collisions);
506 if (interface && found == false)
507 err(EX_DATAERR, "interface %s not found", interface);
513 * Set a flag to indicate that a signal from the periodic itimer has been
516 static sig_atomic_t signalled;
518 catchalarm(int signo __unused)
524 * Print a running summary of interface statistics.
525 * Repeat display every interval seconds, showing statistics
526 * collected over that interval. Assumes that interval is non-zero.
527 * First line printed at top of screen is always cumulative.
530 sidewaysintpr(int interval)
532 struct iftot ift[2], *new, *old;
533 struct itimerval interval_it;
540 (void)signal(SIGALRM, catchalarm);
542 interval_it.it_interval.tv_sec = interval;
543 interval_it.it_interval.tv_usec = 0;
544 interval_it.it_value = interval_it.it_interval;
545 setitimer(ITIMER_REAL, &interval_it, NULL);
548 printf("%17s %14s %16s", "input",
549 interface != NULL ? interface : "(Total)", "output");
551 printf("%10s %5s %5s %10s %10s %5s %10s %5s",
552 "packets", "errs", "idrops", "bytes", "packets", "errs", "bytes",
555 printf(" %5.5s", "drops");
561 if ((noutputs != 0) && (--noutputs == 0))
563 oldmask = sigblock(sigmask(SIGALRM));
572 show_stat("lu", 10, new->ift_ip - old->ift_ip, 1);
573 show_stat("lu", 5, new->ift_ie - old->ift_ie, 1);
574 show_stat("lu", 5, new->ift_id - old->ift_id, 1);
575 show_stat("lu", 10, new->ift_ib - old->ift_ib, 1);
576 show_stat("lu", 10, new->ift_op - old->ift_op, 1);
577 show_stat("lu", 5, new->ift_oe - old->ift_oe, 1);
578 show_stat("lu", 10, new->ift_ob - old->ift_ob, 1);
579 show_stat("NRSlu", 5, new->ift_co - old->ift_co, 1);
581 show_stat("LSlu", 5, new->ift_od - old->ift_od, 1);
585 if (new == &ift[0]) {