xref: /minix3/usr.bin/netstat/if.c (revision 66dfcc8533c70ea68511edc95c03189c8eb0a7a2)
1*66dfcc85SDavid van Moolenbroek /*	$NetBSD: if.c,v 1.82 2015/09/20 00:30:04 mrg Exp $	*/
2*66dfcc85SDavid van Moolenbroek 
3*66dfcc85SDavid van Moolenbroek /*
4*66dfcc85SDavid van Moolenbroek  * Copyright (c) 1983, 1988, 1993
5*66dfcc85SDavid van Moolenbroek  *	The Regents of the University of California.  All rights reserved.
6*66dfcc85SDavid van Moolenbroek  *
7*66dfcc85SDavid van Moolenbroek  * Redistribution and use in source and binary forms, with or without
8*66dfcc85SDavid van Moolenbroek  * modification, are permitted provided that the following conditions
9*66dfcc85SDavid van Moolenbroek  * are met:
10*66dfcc85SDavid van Moolenbroek  * 1. Redistributions of source code must retain the above copyright
11*66dfcc85SDavid van Moolenbroek  *    notice, this list of conditions and the following disclaimer.
12*66dfcc85SDavid van Moolenbroek  * 2. Redistributions in binary form must reproduce the above copyright
13*66dfcc85SDavid van Moolenbroek  *    notice, this list of conditions and the following disclaimer in the
14*66dfcc85SDavid van Moolenbroek  *    documentation and/or other materials provided with the distribution.
15*66dfcc85SDavid van Moolenbroek  * 3. Neither the name of the University nor the names of its contributors
16*66dfcc85SDavid van Moolenbroek  *    may be used to endorse or promote products derived from this software
17*66dfcc85SDavid van Moolenbroek  *    without specific prior written permission.
18*66dfcc85SDavid van Moolenbroek  *
19*66dfcc85SDavid van Moolenbroek  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20*66dfcc85SDavid van Moolenbroek  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21*66dfcc85SDavid van Moolenbroek  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22*66dfcc85SDavid van Moolenbroek  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23*66dfcc85SDavid van Moolenbroek  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24*66dfcc85SDavid van Moolenbroek  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25*66dfcc85SDavid van Moolenbroek  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26*66dfcc85SDavid van Moolenbroek  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27*66dfcc85SDavid van Moolenbroek  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28*66dfcc85SDavid van Moolenbroek  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29*66dfcc85SDavid van Moolenbroek  * SUCH DAMAGE.
30*66dfcc85SDavid van Moolenbroek  */
31*66dfcc85SDavid van Moolenbroek 
32*66dfcc85SDavid van Moolenbroek #include <sys/cdefs.h>
33*66dfcc85SDavid van Moolenbroek #ifndef lint
34*66dfcc85SDavid van Moolenbroek #if 0
35*66dfcc85SDavid van Moolenbroek static char sccsid[] = "from: @(#)if.c	8.2 (Berkeley) 2/21/94";
36*66dfcc85SDavid van Moolenbroek #else
37*66dfcc85SDavid van Moolenbroek __RCSID("$NetBSD: if.c,v 1.82 2015/09/20 00:30:04 mrg Exp $");
38*66dfcc85SDavid van Moolenbroek #endif
39*66dfcc85SDavid van Moolenbroek #endif /* not lint */
40*66dfcc85SDavid van Moolenbroek 
41*66dfcc85SDavid van Moolenbroek #include <sys/param.h>
42*66dfcc85SDavid van Moolenbroek #include <sys/types.h>
43*66dfcc85SDavid van Moolenbroek #include <sys/protosw.h>
44*66dfcc85SDavid van Moolenbroek #include <sys/socket.h>
45*66dfcc85SDavid van Moolenbroek #include <sys/time.h>
46*66dfcc85SDavid van Moolenbroek #include <sys/sysctl.h>
47*66dfcc85SDavid van Moolenbroek #include <sys/ioctl.h>
48*66dfcc85SDavid van Moolenbroek 
49*66dfcc85SDavid van Moolenbroek #include <net/if.h>
50*66dfcc85SDavid van Moolenbroek #include <net/if_dl.h>
51*66dfcc85SDavid van Moolenbroek #include <net/if_types.h>
52*66dfcc85SDavid van Moolenbroek #include <net/route.h>
53*66dfcc85SDavid van Moolenbroek #include <netinet/in.h>
54*66dfcc85SDavid van Moolenbroek #include <netinet/in_var.h>
55*66dfcc85SDavid van Moolenbroek #include <arpa/inet.h>
56*66dfcc85SDavid van Moolenbroek 
57*66dfcc85SDavid van Moolenbroek #include <kvm.h>
58*66dfcc85SDavid van Moolenbroek #include <signal.h>
59*66dfcc85SDavid van Moolenbroek #include <stdio.h>
60*66dfcc85SDavid van Moolenbroek #include <stdlib.h>
61*66dfcc85SDavid van Moolenbroek #include <string.h>
62*66dfcc85SDavid van Moolenbroek #include <unistd.h>
63*66dfcc85SDavid van Moolenbroek #include <netdb.h>
64*66dfcc85SDavid van Moolenbroek #include <err.h>
65*66dfcc85SDavid van Moolenbroek 
66*66dfcc85SDavid van Moolenbroek #include "netstat.h"
67*66dfcc85SDavid van Moolenbroek #include "rtutil.h"
68*66dfcc85SDavid van Moolenbroek #include "prog_ops.h"
69*66dfcc85SDavid van Moolenbroek 
70*66dfcc85SDavid van Moolenbroek #define	MAXIF	100
71*66dfcc85SDavid van Moolenbroek 
72*66dfcc85SDavid van Moolenbroek #define HUMBUF_SIZE 7
73*66dfcc85SDavid van Moolenbroek 
74*66dfcc85SDavid van Moolenbroek struct	iftot {
75*66dfcc85SDavid van Moolenbroek 	char ift_name[IFNAMSIZ];	/* interface name */
76*66dfcc85SDavid van Moolenbroek 	u_quad_t ift_ip;		/* input packets */
77*66dfcc85SDavid van Moolenbroek 	u_quad_t ift_ib;		/* input bytes */
78*66dfcc85SDavid van Moolenbroek 	u_quad_t ift_ie;		/* input errors */
79*66dfcc85SDavid van Moolenbroek 	u_quad_t ift_op;		/* output packets */
80*66dfcc85SDavid van Moolenbroek 	u_quad_t ift_ob;		/* output bytes */
81*66dfcc85SDavid van Moolenbroek 	u_quad_t ift_oe;		/* output errors */
82*66dfcc85SDavid van Moolenbroek 	u_quad_t ift_co;		/* collisions */
83*66dfcc85SDavid van Moolenbroek 	int ift_dr;			/* drops */
84*66dfcc85SDavid van Moolenbroek };
85*66dfcc85SDavid van Moolenbroek 
86*66dfcc85SDavid van Moolenbroek static void set_lines(void);
87*66dfcc85SDavid van Moolenbroek static void print_addr(struct sockaddr *, struct sockaddr **, struct if_data *,
88*66dfcc85SDavid van Moolenbroek     struct ifnet *);
89*66dfcc85SDavid van Moolenbroek static void sidewaysintpr(u_int, u_long);
90*66dfcc85SDavid van Moolenbroek 
91*66dfcc85SDavid van Moolenbroek static void iftot_banner(struct iftot *);
92*66dfcc85SDavid van Moolenbroek static void iftot_print_sum(struct iftot *, struct iftot *);
93*66dfcc85SDavid van Moolenbroek static void iftot_print(struct iftot *, struct iftot *);
94*66dfcc85SDavid van Moolenbroek 
95*66dfcc85SDavid van Moolenbroek static void catchalarm __P((int));
96*66dfcc85SDavid van Moolenbroek static void get_rtaddrs(int, struct sockaddr *, struct sockaddr **);
97*66dfcc85SDavid van Moolenbroek static void fetchifs(void);
98*66dfcc85SDavid van Moolenbroek 
99*66dfcc85SDavid van Moolenbroek static void intpr_sysctl(void);
100*66dfcc85SDavid van Moolenbroek static void intpr_kvm(u_long, void (*)(const char *));
101*66dfcc85SDavid van Moolenbroek 
102*66dfcc85SDavid van Moolenbroek struct iftot iftot[MAXIF], ip_cur, ip_old, sum_cur, sum_old;
103*66dfcc85SDavid van Moolenbroek bool	signalled;			/* set if alarm goes off "early" */
104*66dfcc85SDavid van Moolenbroek 
105*66dfcc85SDavid van Moolenbroek static unsigned redraw_lines = 21;
106*66dfcc85SDavid van Moolenbroek 
107*66dfcc85SDavid van Moolenbroek static void
set_lines(void)108*66dfcc85SDavid van Moolenbroek set_lines(void)
109*66dfcc85SDavid van Moolenbroek {
110*66dfcc85SDavid van Moolenbroek 	static bool first = true;
111*66dfcc85SDavid van Moolenbroek 	struct ttysize ts;
112*66dfcc85SDavid van Moolenbroek 
113*66dfcc85SDavid van Moolenbroek 	if (!first)
114*66dfcc85SDavid van Moolenbroek 		return;
115*66dfcc85SDavid van Moolenbroek 	first = false;
116*66dfcc85SDavid van Moolenbroek 	if (ioctl(STDOUT_FILENO, TIOCGSIZE, &ts) != -1 && ts.ts_lines)
117*66dfcc85SDavid van Moolenbroek 		redraw_lines = ts.ts_lines - 3;
118*66dfcc85SDavid van Moolenbroek }
119*66dfcc85SDavid van Moolenbroek 
120*66dfcc85SDavid van Moolenbroek 
121*66dfcc85SDavid van Moolenbroek /*
122*66dfcc85SDavid van Moolenbroek  * Print a description of the network interfaces.
123*66dfcc85SDavid van Moolenbroek  * NOTE: ifnetaddr is the location of the kernel global "ifnet",
124*66dfcc85SDavid van Moolenbroek  * which is a TAILQ_HEAD.
125*66dfcc85SDavid van Moolenbroek  */
126*66dfcc85SDavid van Moolenbroek void
intpr(int interval,u_long ifnetaddr,void (* pfunc)(const char *))127*66dfcc85SDavid van Moolenbroek intpr(int interval, u_long ifnetaddr, void (*pfunc)(const char *))
128*66dfcc85SDavid van Moolenbroek {
129*66dfcc85SDavid van Moolenbroek 
130*66dfcc85SDavid van Moolenbroek 	if (interval) {
131*66dfcc85SDavid van Moolenbroek 		sidewaysintpr((unsigned)interval, ifnetaddr);
132*66dfcc85SDavid van Moolenbroek 		return;
133*66dfcc85SDavid van Moolenbroek 	}
134*66dfcc85SDavid van Moolenbroek 
135*66dfcc85SDavid van Moolenbroek 	if (use_sysctl) {
136*66dfcc85SDavid van Moolenbroek 		intpr_sysctl();
137*66dfcc85SDavid van Moolenbroek 	} else {
138*66dfcc85SDavid van Moolenbroek 		intpr_kvm(ifnetaddr, pfunc);
139*66dfcc85SDavid van Moolenbroek 	}
140*66dfcc85SDavid van Moolenbroek 
141*66dfcc85SDavid van Moolenbroek }
142*66dfcc85SDavid van Moolenbroek 
143*66dfcc85SDavid van Moolenbroek static void
intpr_header(void)144*66dfcc85SDavid van Moolenbroek intpr_header(void)
145*66dfcc85SDavid van Moolenbroek {
146*66dfcc85SDavid van Moolenbroek 
147*66dfcc85SDavid van Moolenbroek 	if (!sflag & !pflag) {
148*66dfcc85SDavid van Moolenbroek 		if (bflag) {
149*66dfcc85SDavid van Moolenbroek 			printf("%-5.5s %-5.5s %-13.13s %-17.17s "
150*66dfcc85SDavid van Moolenbroek 			       "%10.10s %10.10s",
151*66dfcc85SDavid van Moolenbroek 			       "Name", "Mtu", "Network", "Address",
152*66dfcc85SDavid van Moolenbroek 			       "Ibytes", "Obytes");
153*66dfcc85SDavid van Moolenbroek 		} else {
154*66dfcc85SDavid van Moolenbroek 			printf("%-5.5s %-5.5s %-13.13s %-17.17s "
155*66dfcc85SDavid van Moolenbroek 			       "%8.8s %5.5s %8.8s %5.5s %5.5s",
156*66dfcc85SDavid van Moolenbroek 			       "Name", "Mtu", "Network", "Address", "Ipkts", "Ierrs",
157*66dfcc85SDavid van Moolenbroek 			       "Opkts", "Oerrs", "Colls");
158*66dfcc85SDavid van Moolenbroek 		}
159*66dfcc85SDavid van Moolenbroek 		if (tflag)
160*66dfcc85SDavid van Moolenbroek 			printf(" %4.4s", "Time");
161*66dfcc85SDavid van Moolenbroek 		if (dflag)
162*66dfcc85SDavid van Moolenbroek 			printf(" %5.5s", "Drops");
163*66dfcc85SDavid van Moolenbroek 		putchar('\n');
164*66dfcc85SDavid van Moolenbroek 	}
165*66dfcc85SDavid van Moolenbroek }
166*66dfcc85SDavid van Moolenbroek 
167*66dfcc85SDavid van Moolenbroek static void
intpr_sysctl(void)168*66dfcc85SDavid van Moolenbroek intpr_sysctl(void)
169*66dfcc85SDavid van Moolenbroek {
170*66dfcc85SDavid van Moolenbroek 	struct if_msghdr *ifm;
171*66dfcc85SDavid van Moolenbroek 	int mib[6] = { CTL_NET, AF_ROUTE, 0, 0, NET_RT_IFLIST, 0 };
172*66dfcc85SDavid van Moolenbroek 	char *buf = NULL, *next, *lim, *cp;
173*66dfcc85SDavid van Moolenbroek 	struct rt_msghdr *rtm;
174*66dfcc85SDavid van Moolenbroek 	struct ifa_msghdr *ifam;
175*66dfcc85SDavid van Moolenbroek 	struct if_data *ifd = NULL;
176*66dfcc85SDavid van Moolenbroek 	struct sockaddr *sa, *rti_info[RTAX_MAX];
177*66dfcc85SDavid van Moolenbroek 	struct sockaddr_dl *sdl;
178*66dfcc85SDavid van Moolenbroek 	uint64_t total = 0;
179*66dfcc85SDavid van Moolenbroek 	size_t len;
180*66dfcc85SDavid van Moolenbroek 	char name[IFNAMSIZ + 1];	/* + 1 for `*' */
181*66dfcc85SDavid van Moolenbroek 
182*66dfcc85SDavid van Moolenbroek 	if (prog_sysctl(mib, 6, NULL, &len, NULL, 0) == -1)
183*66dfcc85SDavid van Moolenbroek 		err(1, "sysctl");
184*66dfcc85SDavid van Moolenbroek 	if ((buf = malloc(len)) == NULL)
185*66dfcc85SDavid van Moolenbroek 		err(1, NULL);
186*66dfcc85SDavid van Moolenbroek 	if (prog_sysctl(mib, 6, buf, &len, NULL, 0) == -1)
187*66dfcc85SDavid van Moolenbroek 		err(1, "sysctl");
188*66dfcc85SDavid van Moolenbroek 
189*66dfcc85SDavid van Moolenbroek 	intpr_header();
190*66dfcc85SDavid van Moolenbroek 
191*66dfcc85SDavid van Moolenbroek 	lim = buf + len;
192*66dfcc85SDavid van Moolenbroek 	for (next = buf; next < lim; next += rtm->rtm_msglen) {
193*66dfcc85SDavid van Moolenbroek 		rtm = (struct rt_msghdr *)next;
194*66dfcc85SDavid van Moolenbroek 		if (rtm->rtm_version != RTM_VERSION)
195*66dfcc85SDavid van Moolenbroek 			continue;
196*66dfcc85SDavid van Moolenbroek 		switch (rtm->rtm_type) {
197*66dfcc85SDavid van Moolenbroek 		case RTM_IFINFO:
198*66dfcc85SDavid van Moolenbroek 			total = 0;
199*66dfcc85SDavid van Moolenbroek 			ifm = (struct if_msghdr *)next;
200*66dfcc85SDavid van Moolenbroek 			ifd = &ifm->ifm_data;
201*66dfcc85SDavid van Moolenbroek 
202*66dfcc85SDavid van Moolenbroek 			sa = (struct sockaddr *)(ifm + 1);
203*66dfcc85SDavid van Moolenbroek 			get_rtaddrs(ifm->ifm_addrs, sa, rti_info);
204*66dfcc85SDavid van Moolenbroek 
205*66dfcc85SDavid van Moolenbroek 			sdl = (struct sockaddr_dl *)rti_info[RTAX_IFP];
206*66dfcc85SDavid van Moolenbroek 			if (sdl == NULL || sdl->sdl_family != AF_LINK) {
207*66dfcc85SDavid van Moolenbroek 				continue;
208*66dfcc85SDavid van Moolenbroek 			}
209*66dfcc85SDavid van Moolenbroek 			bzero(name, sizeof(name));
210*66dfcc85SDavid van Moolenbroek 			if (sdl->sdl_nlen >= IFNAMSIZ)
211*66dfcc85SDavid van Moolenbroek 				memcpy(name, sdl->sdl_data, IFNAMSIZ - 1);
212*66dfcc85SDavid van Moolenbroek 			else if (sdl->sdl_nlen > 0)
213*66dfcc85SDavid van Moolenbroek 				memcpy(name, sdl->sdl_data, sdl->sdl_nlen);
214*66dfcc85SDavid van Moolenbroek 
215*66dfcc85SDavid van Moolenbroek 			if (interface != 0 && strcmp(name, interface) != 0)
216*66dfcc85SDavid van Moolenbroek 				continue;
217*66dfcc85SDavid van Moolenbroek 
218*66dfcc85SDavid van Moolenbroek 			/* mark inactive interfaces with a '*' */
219*66dfcc85SDavid van Moolenbroek 			cp = strchr(name, '\0');
220*66dfcc85SDavid van Moolenbroek 			if ((ifm->ifm_flags & IFF_UP) == 0)
221*66dfcc85SDavid van Moolenbroek 				*cp++ = '*';
222*66dfcc85SDavid van Moolenbroek 			*cp = '\0';
223*66dfcc85SDavid van Moolenbroek 
224*66dfcc85SDavid van Moolenbroek 			if (qflag) {
225*66dfcc85SDavid van Moolenbroek 				total = ifd->ifi_ibytes + ifd->ifi_obytes +
226*66dfcc85SDavid van Moolenbroek 				    ifd->ifi_ipackets + ifd->ifi_ierrors +
227*66dfcc85SDavid van Moolenbroek 				    ifd->ifi_opackets + ifd->ifi_oerrors +
228*66dfcc85SDavid van Moolenbroek 				    ifd->ifi_collisions;
229*66dfcc85SDavid van Moolenbroek 				if (tflag)
230*66dfcc85SDavid van Moolenbroek 					total += 0; // XXX-elad ifnet.if_timer;
231*66dfcc85SDavid van Moolenbroek 				if (dflag)
232*66dfcc85SDavid van Moolenbroek 					total += 0; // XXX-elad ifnet.if_snd.ifq_drops;
233*66dfcc85SDavid van Moolenbroek 				if (total == 0)
234*66dfcc85SDavid van Moolenbroek 					continue;
235*66dfcc85SDavid van Moolenbroek 			}
236*66dfcc85SDavid van Moolenbroek 
237*66dfcc85SDavid van Moolenbroek 			printf("%-5s %-5" PRIu64, name, ifd->ifi_mtu);
238*66dfcc85SDavid van Moolenbroek #ifdef __minix
239*66dfcc85SDavid van Moolenbroek 			/* There should be a space between Mtu and Network. */
240*66dfcc85SDavid van Moolenbroek 			printf(" ");
241*66dfcc85SDavid van Moolenbroek #endif /* __minix */
242*66dfcc85SDavid van Moolenbroek 			print_addr(rti_info[RTAX_IFP], rti_info, ifd, NULL);
243*66dfcc85SDavid van Moolenbroek 			break;
244*66dfcc85SDavid van Moolenbroek 
245*66dfcc85SDavid van Moolenbroek 		case RTM_NEWADDR:
246*66dfcc85SDavid van Moolenbroek 			if (qflag && total == 0)
247*66dfcc85SDavid van Moolenbroek 				continue;
248*66dfcc85SDavid van Moolenbroek 			if (interface != 0 && strcmp(name, interface) != 0)
249*66dfcc85SDavid van Moolenbroek 				continue;
250*66dfcc85SDavid van Moolenbroek 			ifam = (struct ifa_msghdr *)next;
251*66dfcc85SDavid van Moolenbroek 			if ((ifam->ifam_addrs & (RTA_NETMASK | RTA_IFA |
252*66dfcc85SDavid van Moolenbroek 			    RTA_BRD)) == 0)
253*66dfcc85SDavid van Moolenbroek 				break;
254*66dfcc85SDavid van Moolenbroek 
255*66dfcc85SDavid van Moolenbroek 			sa = (struct sockaddr *)(ifam + 1);
256*66dfcc85SDavid van Moolenbroek 
257*66dfcc85SDavid van Moolenbroek 			get_rtaddrs(ifam->ifam_addrs, sa, rti_info);
258*66dfcc85SDavid van Moolenbroek 
259*66dfcc85SDavid van Moolenbroek 			printf("%-5s %-5" PRIu64, name, ifd->ifi_mtu);
260*66dfcc85SDavid van Moolenbroek #ifdef __minix
261*66dfcc85SDavid van Moolenbroek 			/*
262*66dfcc85SDavid van Moolenbroek 			 * There should be a space between Mtu and Network.
263*66dfcc85SDavid van Moolenbroek 			 * Maintainer's note: this has been fixed in NetBSD
264*66dfcc85SDavid van Moolenbroek 			 * upstream already; drop this change as soon as it
265*66dfcc85SDavid van Moolenbroek 			 * creates any conflict at all! --dcvmoole
266*66dfcc85SDavid van Moolenbroek 			 */
267*66dfcc85SDavid van Moolenbroek 			printf(" ");
268*66dfcc85SDavid van Moolenbroek #endif /* __minix */
269*66dfcc85SDavid van Moolenbroek 			print_addr(rti_info[RTAX_IFA], rti_info, ifd, NULL);
270*66dfcc85SDavid van Moolenbroek 			break;
271*66dfcc85SDavid van Moolenbroek 		}
272*66dfcc85SDavid van Moolenbroek 	}
273*66dfcc85SDavid van Moolenbroek }
274*66dfcc85SDavid van Moolenbroek 
275*66dfcc85SDavid van Moolenbroek union ifaddr_u {
276*66dfcc85SDavid van Moolenbroek 	struct ifaddr ifa;
277*66dfcc85SDavid van Moolenbroek 	struct in_ifaddr in;
278*66dfcc85SDavid van Moolenbroek #ifdef INET6
279*66dfcc85SDavid van Moolenbroek 	struct in6_ifaddr in6;
280*66dfcc85SDavid van Moolenbroek #endif /* INET6 */
281*66dfcc85SDavid van Moolenbroek };
282*66dfcc85SDavid van Moolenbroek 
283*66dfcc85SDavid van Moolenbroek static void
intpr_kvm(u_long ifnetaddr,void (* pfunc)(const char *))284*66dfcc85SDavid van Moolenbroek intpr_kvm(u_long ifnetaddr, void (*pfunc)(const char *))
285*66dfcc85SDavid van Moolenbroek {
286*66dfcc85SDavid van Moolenbroek 	struct ifnet ifnet;
287*66dfcc85SDavid van Moolenbroek 	union ifaddr_u ifaddr;
288*66dfcc85SDavid van Moolenbroek 	u_long ifaddraddr;
289*66dfcc85SDavid van Moolenbroek 	struct ifnet_head ifhead;	/* TAILQ_HEAD */
290*66dfcc85SDavid van Moolenbroek 	char name[IFNAMSIZ + 1];	/* + 1 for `*' */
291*66dfcc85SDavid van Moolenbroek 
292*66dfcc85SDavid van Moolenbroek 	if (ifnetaddr == 0) {
293*66dfcc85SDavid van Moolenbroek 		printf("ifnet: symbol not defined\n");
294*66dfcc85SDavid van Moolenbroek 		return;
295*66dfcc85SDavid van Moolenbroek 	}
296*66dfcc85SDavid van Moolenbroek 
297*66dfcc85SDavid van Moolenbroek 	/*
298*66dfcc85SDavid van Moolenbroek 	 * Find the pointer to the first ifnet structure.  Replace
299*66dfcc85SDavid van Moolenbroek 	 * the pointer to the TAILQ_HEAD with the actual pointer
300*66dfcc85SDavid van Moolenbroek 	 * to the first list element.
301*66dfcc85SDavid van Moolenbroek 	 */
302*66dfcc85SDavid van Moolenbroek 	if (kread(ifnetaddr, (char *)&ifhead, sizeof ifhead))
303*66dfcc85SDavid van Moolenbroek 		return;
304*66dfcc85SDavid van Moolenbroek 	ifnetaddr = (u_long)ifhead.tqh_first;
305*66dfcc85SDavid van Moolenbroek 
306*66dfcc85SDavid van Moolenbroek 	intpr_header();
307*66dfcc85SDavid van Moolenbroek 
308*66dfcc85SDavid van Moolenbroek 	ifaddraddr = 0;
309*66dfcc85SDavid van Moolenbroek 	while (ifnetaddr || ifaddraddr) {
310*66dfcc85SDavid van Moolenbroek 		char *cp;
311*66dfcc85SDavid van Moolenbroek 		int n;
312*66dfcc85SDavid van Moolenbroek 
313*66dfcc85SDavid van Moolenbroek 		if (ifaddraddr == 0) {
314*66dfcc85SDavid van Moolenbroek 			if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet))
315*66dfcc85SDavid van Moolenbroek 				return;
316*66dfcc85SDavid van Moolenbroek 			memmove(name, ifnet.if_xname, IFNAMSIZ);
317*66dfcc85SDavid van Moolenbroek 			name[IFNAMSIZ - 1] = '\0';	/* sanity */
318*66dfcc85SDavid van Moolenbroek 			ifnetaddr = (u_long)ifnet.if_list.tqe_next;
319*66dfcc85SDavid van Moolenbroek 			if (interface != 0 && strcmp(name, interface) != 0)
320*66dfcc85SDavid van Moolenbroek 				continue;
321*66dfcc85SDavid van Moolenbroek 			cp = strchr(name, '\0');
322*66dfcc85SDavid van Moolenbroek 
323*66dfcc85SDavid van Moolenbroek 			if (pfunc) {
324*66dfcc85SDavid van Moolenbroek 				(*pfunc)(name);
325*66dfcc85SDavid van Moolenbroek 				continue;
326*66dfcc85SDavid van Moolenbroek 			}
327*66dfcc85SDavid van Moolenbroek 
328*66dfcc85SDavid van Moolenbroek 			if ((ifnet.if_flags & IFF_UP) == 0)
329*66dfcc85SDavid van Moolenbroek 				*cp++ = '*';
330*66dfcc85SDavid van Moolenbroek 			*cp = '\0';
331*66dfcc85SDavid van Moolenbroek 			ifaddraddr = (u_long)ifnet.if_addrlist.tqh_first;
332*66dfcc85SDavid van Moolenbroek 		}
333*66dfcc85SDavid van Moolenbroek 		if (vflag)
334*66dfcc85SDavid van Moolenbroek 			n = strlen(name) < 5 ? 5 : strlen(name);
335*66dfcc85SDavid van Moolenbroek 		else
336*66dfcc85SDavid van Moolenbroek 			n = 5;
337*66dfcc85SDavid van Moolenbroek 		printf("%-*.*s %-5llu ", n, n, name,
338*66dfcc85SDavid van Moolenbroek 		    (unsigned long long)ifnet.if_mtu);
339*66dfcc85SDavid van Moolenbroek 		if (ifaddraddr == 0) {
340*66dfcc85SDavid van Moolenbroek 			printf("%-13.13s ", "none");
341*66dfcc85SDavid van Moolenbroek 			printf("%-17.17s ", "none");
342*66dfcc85SDavid van Moolenbroek 		} else {
343*66dfcc85SDavid van Moolenbroek 			struct sockaddr *sa;
344*66dfcc85SDavid van Moolenbroek 
345*66dfcc85SDavid van Moolenbroek 			if (kread(ifaddraddr, (char *)&ifaddr, sizeof ifaddr)) {
346*66dfcc85SDavid van Moolenbroek 				ifaddraddr = 0;
347*66dfcc85SDavid van Moolenbroek 				continue;
348*66dfcc85SDavid van Moolenbroek 			}
349*66dfcc85SDavid van Moolenbroek #define CP(x) ((char *)(x))
350*66dfcc85SDavid van Moolenbroek 			cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) +
351*66dfcc85SDavid van Moolenbroek 			    CP(&ifaddr);
352*66dfcc85SDavid van Moolenbroek 			sa = (struct sockaddr *)cp;
353*66dfcc85SDavid van Moolenbroek 			print_addr(sa, (void *)&ifaddr, &ifnet.if_data, &ifnet);
354*66dfcc85SDavid van Moolenbroek 		}
355*66dfcc85SDavid van Moolenbroek 		ifaddraddr = (u_long)ifaddr.ifa.ifa_list.tqe_next;
356*66dfcc85SDavid van Moolenbroek 	}
357*66dfcc85SDavid van Moolenbroek 
358*66dfcc85SDavid van Moolenbroek }
359*66dfcc85SDavid van Moolenbroek 
360*66dfcc85SDavid van Moolenbroek static void
print_addr(struct sockaddr * sa,struct sockaddr ** rtinfo,struct if_data * ifd,struct ifnet * ifnet)361*66dfcc85SDavid van Moolenbroek print_addr(struct sockaddr *sa, struct sockaddr **rtinfo, struct if_data *ifd,
362*66dfcc85SDavid van Moolenbroek     struct ifnet *ifnet)
363*66dfcc85SDavid van Moolenbroek {
364*66dfcc85SDavid van Moolenbroek 	char hexsep = '.';		/* for hexprint */
365*66dfcc85SDavid van Moolenbroek 	static const char hexfmt[] = "%02x%c";	/* for hexprint */
366*66dfcc85SDavid van Moolenbroek 	char hbuf[NI_MAXHOST];		/* for getnameinfo() */
367*66dfcc85SDavid van Moolenbroek #ifdef INET6
368*66dfcc85SDavid van Moolenbroek 	const int niflag = NI_NUMERICHOST;
369*66dfcc85SDavid van Moolenbroek 	struct sockaddr_in6 *sin6, *netmask6;
370*66dfcc85SDavid van Moolenbroek #endif
371*66dfcc85SDavid van Moolenbroek 	struct sockaddr_in netmask;
372*66dfcc85SDavid van Moolenbroek 	struct sockaddr_in *sin;
373*66dfcc85SDavid van Moolenbroek 	char *cp;
374*66dfcc85SDavid van Moolenbroek 	int n, m;
375*66dfcc85SDavid van Moolenbroek 
376*66dfcc85SDavid van Moolenbroek 	switch (sa->sa_family) {
377*66dfcc85SDavid van Moolenbroek 	case AF_UNSPEC:
378*66dfcc85SDavid van Moolenbroek 		printf("%-13.13s ", "none");
379*66dfcc85SDavid van Moolenbroek 		printf("%-17.17s ", "none");
380*66dfcc85SDavid van Moolenbroek 		break;
381*66dfcc85SDavid van Moolenbroek 	case AF_INET:
382*66dfcc85SDavid van Moolenbroek 		sin = (struct sockaddr_in *)sa;
383*66dfcc85SDavid van Moolenbroek 		if (use_sysctl) {
384*66dfcc85SDavid van Moolenbroek 			netmask = *((struct sockaddr_in *)rtinfo[RTAX_NETMASK]);
385*66dfcc85SDavid van Moolenbroek 		} else {
386*66dfcc85SDavid van Moolenbroek 			struct in_ifaddr *ifaddr_in = (void *)rtinfo;
387*66dfcc85SDavid van Moolenbroek 			netmask.sin_addr.s_addr = ifaddr_in->ia_subnetmask;
388*66dfcc85SDavid van Moolenbroek 		}
389*66dfcc85SDavid van Moolenbroek 		cp = netname4(sin, &netmask, nflag);
390*66dfcc85SDavid van Moolenbroek 		if (vflag)
391*66dfcc85SDavid van Moolenbroek 			n = strlen(cp) < 13 ? 13 : strlen(cp);
392*66dfcc85SDavid van Moolenbroek 		else
393*66dfcc85SDavid van Moolenbroek 			n = 13;
394*66dfcc85SDavid van Moolenbroek 		printf("%-*.*s ", n, n, cp);
395*66dfcc85SDavid van Moolenbroek 		cp = routename4(sin->sin_addr.s_addr, nflag);
396*66dfcc85SDavid van Moolenbroek 		if (vflag)
397*66dfcc85SDavid van Moolenbroek 			n = strlen(cp) < 17 ? 17 : strlen(cp);
398*66dfcc85SDavid van Moolenbroek 		else
399*66dfcc85SDavid van Moolenbroek 			n = 17;
400*66dfcc85SDavid van Moolenbroek 		printf("%-*.*s ", n, n, cp);
401*66dfcc85SDavid van Moolenbroek 
402*66dfcc85SDavid van Moolenbroek 		if (aflag && ifnet) {
403*66dfcc85SDavid van Moolenbroek 			u_long multiaddr;
404*66dfcc85SDavid van Moolenbroek 			struct in_multi inm;
405*66dfcc85SDavid van Moolenbroek 			union ifaddr_u *ifaddr = (union ifaddr_u *)rtinfo;
406*66dfcc85SDavid van Moolenbroek 
407*66dfcc85SDavid van Moolenbroek 			multiaddr = (u_long)
408*66dfcc85SDavid van Moolenbroek 			    ifaddr->in.ia_multiaddrs.lh_first;
409*66dfcc85SDavid van Moolenbroek 			while (multiaddr != 0) {
410*66dfcc85SDavid van Moolenbroek 				kread(multiaddr, (char *)&inm,
411*66dfcc85SDavid van Moolenbroek 				   sizeof inm);
412*66dfcc85SDavid van Moolenbroek 				printf("\n%25s %-17.17s ", "",
413*66dfcc85SDavid van Moolenbroek 				   routename4(
414*66dfcc85SDavid van Moolenbroek 				      inm.inm_addr.s_addr, nflag));
415*66dfcc85SDavid van Moolenbroek 				multiaddr =
416*66dfcc85SDavid van Moolenbroek 				   (u_long)inm.inm_list.le_next;
417*66dfcc85SDavid van Moolenbroek 			}
418*66dfcc85SDavid van Moolenbroek 		}
419*66dfcc85SDavid van Moolenbroek 		break;
420*66dfcc85SDavid van Moolenbroek #ifdef INET6
421*66dfcc85SDavid van Moolenbroek 	case AF_INET6:
422*66dfcc85SDavid van Moolenbroek 		sin6 = (struct sockaddr_in6 *)sa;
423*66dfcc85SDavid van Moolenbroek 		inet6_getscopeid(sin6, INET6_IS_ADDR_LINKLOCAL);
424*66dfcc85SDavid van Moolenbroek #ifdef __KAME__
425*66dfcc85SDavid van Moolenbroek 		if (!vflag)
426*66dfcc85SDavid van Moolenbroek 			sin6->sin6_scope_id = 0;
427*66dfcc85SDavid van Moolenbroek #endif
428*66dfcc85SDavid van Moolenbroek 
429*66dfcc85SDavid van Moolenbroek 		if (use_sysctl) {
430*66dfcc85SDavid van Moolenbroek 			netmask6 = (struct sockaddr_in6 *)rtinfo[RTAX_NETMASK];
431*66dfcc85SDavid van Moolenbroek 		} else {
432*66dfcc85SDavid van Moolenbroek 			struct in6_ifaddr *ifaddr_in6 = (void *)rtinfo;
433*66dfcc85SDavid van Moolenbroek 			netmask6 = &ifaddr_in6->ia_prefixmask;
434*66dfcc85SDavid van Moolenbroek 		}
435*66dfcc85SDavid van Moolenbroek 
436*66dfcc85SDavid van Moolenbroek 		cp = netname6(sin6, netmask6, nflag);
437*66dfcc85SDavid van Moolenbroek 		if (vflag)
438*66dfcc85SDavid van Moolenbroek 			n = strlen(cp) < 13 ? 13 : strlen(cp);
439*66dfcc85SDavid van Moolenbroek 		else
440*66dfcc85SDavid van Moolenbroek 			n = 13;
441*66dfcc85SDavid van Moolenbroek 		printf("%-*.*s ", n, n, cp);
442*66dfcc85SDavid van Moolenbroek 		if (getnameinfo((struct sockaddr *)sin6,
443*66dfcc85SDavid van Moolenbroek 				sin6->sin6_len,
444*66dfcc85SDavid van Moolenbroek 				hbuf, sizeof(hbuf), NULL, 0,
445*66dfcc85SDavid van Moolenbroek 				niflag) != 0) {
446*66dfcc85SDavid van Moolenbroek 			strlcpy(hbuf, "?", sizeof(hbuf));
447*66dfcc85SDavid van Moolenbroek 		}
448*66dfcc85SDavid van Moolenbroek 		cp = hbuf;
449*66dfcc85SDavid van Moolenbroek 		if (vflag)
450*66dfcc85SDavid van Moolenbroek 			n = strlen(cp) < 17 ? 17 : strlen(cp);
451*66dfcc85SDavid van Moolenbroek 		else
452*66dfcc85SDavid van Moolenbroek 			n = 17;
453*66dfcc85SDavid van Moolenbroek 		printf("%-*.*s ", n, n, cp);
454*66dfcc85SDavid van Moolenbroek 
455*66dfcc85SDavid van Moolenbroek 		if (aflag && ifnet) {
456*66dfcc85SDavid van Moolenbroek 			u_long multiaddr;
457*66dfcc85SDavid van Moolenbroek 			struct in6_multi inm;
458*66dfcc85SDavid van Moolenbroek 			struct sockaddr_in6 as6;
459*66dfcc85SDavid van Moolenbroek 			union ifaddr_u *ifaddr = (union ifaddr_u *)rtinfo;
460*66dfcc85SDavid van Moolenbroek 
461*66dfcc85SDavid van Moolenbroek 			multiaddr = (u_long)
462*66dfcc85SDavid van Moolenbroek 			    ifaddr->in6.ia6_multiaddrs.lh_first;
463*66dfcc85SDavid van Moolenbroek 			while (multiaddr != 0) {
464*66dfcc85SDavid van Moolenbroek 				kread(multiaddr, (char *)&inm,
465*66dfcc85SDavid van Moolenbroek 				   sizeof inm);
466*66dfcc85SDavid van Moolenbroek 				memset(&as6, 0, sizeof(as6));
467*66dfcc85SDavid van Moolenbroek 				as6.sin6_len = sizeof(struct sockaddr_in6);
468*66dfcc85SDavid van Moolenbroek 				as6.sin6_family = AF_INET6;
469*66dfcc85SDavid van Moolenbroek 				as6.sin6_addr = inm.in6m_addr;
470*66dfcc85SDavid van Moolenbroek 				inet6_getscopeid(&as6,
471*66dfcc85SDavid van Moolenbroek 				    INET6_IS_ADDR_MC_LINKLOCAL);
472*66dfcc85SDavid van Moolenbroek 				if (getnameinfo((struct sockaddr *)&as6,
473*66dfcc85SDavid van Moolenbroek 				    as6.sin6_len, hbuf,
474*66dfcc85SDavid van Moolenbroek 				    sizeof(hbuf), NULL, 0,
475*66dfcc85SDavid van Moolenbroek 				    niflag) != 0) {
476*66dfcc85SDavid van Moolenbroek 					strlcpy(hbuf, "??",
477*66dfcc85SDavid van Moolenbroek 					    sizeof(hbuf));
478*66dfcc85SDavid van Moolenbroek 				}
479*66dfcc85SDavid van Moolenbroek 				cp = hbuf;
480*66dfcc85SDavid van Moolenbroek 				if (vflag)
481*66dfcc85SDavid van Moolenbroek 				    n = strlen(cp) < 17
482*66dfcc85SDavid van Moolenbroek 					? 17 : strlen(cp);
483*66dfcc85SDavid van Moolenbroek 				else
484*66dfcc85SDavid van Moolenbroek 				    n = 17;
485*66dfcc85SDavid van Moolenbroek 				printf("\n%25s %-*.*s ", "",
486*66dfcc85SDavid van Moolenbroek 				    n, n, cp);
487*66dfcc85SDavid van Moolenbroek 				multiaddr =
488*66dfcc85SDavid van Moolenbroek 				   (u_long)inm.in6m_entry.le_next;
489*66dfcc85SDavid van Moolenbroek 			}
490*66dfcc85SDavid van Moolenbroek 		}
491*66dfcc85SDavid van Moolenbroek 		break;
492*66dfcc85SDavid van Moolenbroek #endif /*INET6*/
493*66dfcc85SDavid van Moolenbroek #ifndef SMALL
494*66dfcc85SDavid van Moolenbroek 	case AF_APPLETALK:
495*66dfcc85SDavid van Moolenbroek 		printf("atalk:%-7.7s ",
496*66dfcc85SDavid van Moolenbroek 		       atalk_print(sa,0x10));
497*66dfcc85SDavid van Moolenbroek 		printf("%-17.17s ", atalk_print(sa,0x0b));
498*66dfcc85SDavid van Moolenbroek 		break;
499*66dfcc85SDavid van Moolenbroek #endif
500*66dfcc85SDavid van Moolenbroek 	case AF_LINK:
501*66dfcc85SDavid van Moolenbroek 		printf("%-13.13s ", "<Link>");
502*66dfcc85SDavid van Moolenbroek 		if (getnameinfo(sa, sa->sa_len,
503*66dfcc85SDavid van Moolenbroek 		    hbuf, sizeof(hbuf), NULL, 0,
504*66dfcc85SDavid van Moolenbroek 		    NI_NUMERICHOST) != 0) {
505*66dfcc85SDavid van Moolenbroek 			strlcpy(hbuf, "?", sizeof(hbuf));
506*66dfcc85SDavid van Moolenbroek 		}
507*66dfcc85SDavid van Moolenbroek 		cp = hbuf;
508*66dfcc85SDavid van Moolenbroek 		if (vflag)
509*66dfcc85SDavid van Moolenbroek 			n = strlen(cp) < 17 ? 17 : strlen(cp);
510*66dfcc85SDavid van Moolenbroek 		else
511*66dfcc85SDavid van Moolenbroek 			n = 17;
512*66dfcc85SDavid van Moolenbroek 		printf("%-*.*s ", n, n, cp);
513*66dfcc85SDavid van Moolenbroek 		break;
514*66dfcc85SDavid van Moolenbroek 
515*66dfcc85SDavid van Moolenbroek 	default:
516*66dfcc85SDavid van Moolenbroek 		m = printf("(%d)", sa->sa_family);
517*66dfcc85SDavid van Moolenbroek 		for (cp = sa->sa_len + (char *)sa;
518*66dfcc85SDavid van Moolenbroek 			--cp > sa->sa_data && (*cp == 0);) {}
519*66dfcc85SDavid van Moolenbroek 		n = cp - sa->sa_data + 1;
520*66dfcc85SDavid van Moolenbroek 		cp = sa->sa_data;
521*66dfcc85SDavid van Moolenbroek 
522*66dfcc85SDavid van Moolenbroek 		while (--n >= 0)
523*66dfcc85SDavid van Moolenbroek 			m += printf(hexfmt, *cp++ & 0xff,
524*66dfcc85SDavid van Moolenbroek 				    n > 0 ? hexsep : ' ');
525*66dfcc85SDavid van Moolenbroek 		m = 32 - m;
526*66dfcc85SDavid van Moolenbroek 		while (m-- > 0)
527*66dfcc85SDavid van Moolenbroek 			putchar(' ');
528*66dfcc85SDavid van Moolenbroek 		break;
529*66dfcc85SDavid van Moolenbroek 	}
530*66dfcc85SDavid van Moolenbroek 
531*66dfcc85SDavid van Moolenbroek 	if (bflag) {
532*66dfcc85SDavid van Moolenbroek 		char humbuf[HUMBUF_SIZE];
533*66dfcc85SDavid van Moolenbroek 
534*66dfcc85SDavid van Moolenbroek 		if (hflag && humanize_number(humbuf, sizeof(humbuf),
535*66dfcc85SDavid van Moolenbroek 		    ifd->ifi_ibytes, "", HN_AUTOSCALE, HN_NOSPACE | HN_B) > 0)
536*66dfcc85SDavid van Moolenbroek 			printf("%10s ", humbuf);
537*66dfcc85SDavid van Moolenbroek 		else
538*66dfcc85SDavid van Moolenbroek 			printf("%10llu ", (unsigned long long)ifd->ifi_ibytes);
539*66dfcc85SDavid van Moolenbroek 
540*66dfcc85SDavid van Moolenbroek 		if (hflag && humanize_number(humbuf, sizeof(humbuf),
541*66dfcc85SDavid van Moolenbroek 		    ifd->ifi_obytes, "", HN_AUTOSCALE, HN_NOSPACE | HN_B) > 0)
542*66dfcc85SDavid van Moolenbroek 			printf("%10s", humbuf);
543*66dfcc85SDavid van Moolenbroek 		else
544*66dfcc85SDavid van Moolenbroek 			printf("%10llu", (unsigned long long)ifd->ifi_obytes);
545*66dfcc85SDavid van Moolenbroek 	} else {
546*66dfcc85SDavid van Moolenbroek 		printf("%8llu %5llu %8llu %5llu %5llu",
547*66dfcc85SDavid van Moolenbroek 			(unsigned long long)ifd->ifi_ipackets,
548*66dfcc85SDavid van Moolenbroek 			(unsigned long long)ifd->ifi_ierrors,
549*66dfcc85SDavid van Moolenbroek 			(unsigned long long)ifd->ifi_opackets,
550*66dfcc85SDavid van Moolenbroek 			(unsigned long long)ifd->ifi_oerrors,
551*66dfcc85SDavid van Moolenbroek 			(unsigned long long)ifd->ifi_collisions);
552*66dfcc85SDavid van Moolenbroek 	}
553*66dfcc85SDavid van Moolenbroek 	if (tflag)
554*66dfcc85SDavid van Moolenbroek 		printf(" %4d", ifnet ? ifnet->if_timer : 0);
555*66dfcc85SDavid van Moolenbroek 	if (dflag)
556*66dfcc85SDavid van Moolenbroek 		printf(" %5d", ifnet ? ifnet->if_snd.ifq_drops : 0);
557*66dfcc85SDavid van Moolenbroek 	putchar('\n');
558*66dfcc85SDavid van Moolenbroek }
559*66dfcc85SDavid van Moolenbroek 
560*66dfcc85SDavid van Moolenbroek static void
iftot_banner(struct iftot * ift)561*66dfcc85SDavid van Moolenbroek iftot_banner(struct iftot *ift)
562*66dfcc85SDavid van Moolenbroek {
563*66dfcc85SDavid van Moolenbroek 	if (bflag)
564*66dfcc85SDavid van Moolenbroek 		printf("%7.7s in %8.8s %6.6s out %5.5s",
565*66dfcc85SDavid van Moolenbroek 		    ift->ift_name, " ",
566*66dfcc85SDavid van Moolenbroek 		    ift->ift_name, " ");
567*66dfcc85SDavid van Moolenbroek 	else
568*66dfcc85SDavid van Moolenbroek 		printf("%5.5s in %5.5s%5.5s out %5.5s %5.5s",
569*66dfcc85SDavid van Moolenbroek 		    ift->ift_name, " ",
570*66dfcc85SDavid van Moolenbroek 		    ift->ift_name, " ", " ");
571*66dfcc85SDavid van Moolenbroek 	if (dflag)
572*66dfcc85SDavid van Moolenbroek 		printf(" %5.5s", " ");
573*66dfcc85SDavid van Moolenbroek 
574*66dfcc85SDavid van Moolenbroek 	if (bflag)
575*66dfcc85SDavid van Moolenbroek 		printf("  %7.7s in %8.8s %6.6s out %5.5s",
576*66dfcc85SDavid van Moolenbroek 		    "total", " ", "total", " ");
577*66dfcc85SDavid van Moolenbroek 	else
578*66dfcc85SDavid van Moolenbroek 		printf("  %5.5s in %5.5s%5.5s out %5.5s %5.5s",
579*66dfcc85SDavid van Moolenbroek 		    "total", " ", "total", " ", " ");
580*66dfcc85SDavid van Moolenbroek 	if (dflag)
581*66dfcc85SDavid van Moolenbroek 		printf(" %5.5s", " ");
582*66dfcc85SDavid van Moolenbroek 	putchar('\n');
583*66dfcc85SDavid van Moolenbroek 	if (bflag)
584*66dfcc85SDavid van Moolenbroek 		printf("%10.10s %8.8s %10.10s %5.5s",
585*66dfcc85SDavid van Moolenbroek 		    "bytes", " ", "bytes", " ");
586*66dfcc85SDavid van Moolenbroek 	else
587*66dfcc85SDavid van Moolenbroek 		printf("%8.8s %5.5s %8.8s %5.5s %5.5s",
588*66dfcc85SDavid van Moolenbroek 		    "packets", "errs", "packets", "errs", "colls");
589*66dfcc85SDavid van Moolenbroek 	if (dflag)
590*66dfcc85SDavid van Moolenbroek 		printf(" %5.5s", "drops");
591*66dfcc85SDavid van Moolenbroek 
592*66dfcc85SDavid van Moolenbroek 	if (bflag)
593*66dfcc85SDavid van Moolenbroek 		printf("  %10.10s %8.8s %10.10s %5.5s",
594*66dfcc85SDavid van Moolenbroek 		    "bytes", " ", "bytes", " ");
595*66dfcc85SDavid van Moolenbroek 	else
596*66dfcc85SDavid van Moolenbroek 		printf("  %8.8s %5.5s %8.8s %5.5s %5.5s",
597*66dfcc85SDavid van Moolenbroek 		    "packets", "errs", "packets", "errs", "colls");
598*66dfcc85SDavid van Moolenbroek 	if (dflag)
599*66dfcc85SDavid van Moolenbroek 		printf(" %5.5s", "drops");
600*66dfcc85SDavid van Moolenbroek 	putchar('\n');
601*66dfcc85SDavid van Moolenbroek 	fflush(stdout);
602*66dfcc85SDavid van Moolenbroek }
603*66dfcc85SDavid van Moolenbroek 
604*66dfcc85SDavid van Moolenbroek static void
iftot_print(struct iftot * cur,struct iftot * old)605*66dfcc85SDavid van Moolenbroek iftot_print(struct iftot *cur, struct iftot *old)
606*66dfcc85SDavid van Moolenbroek {
607*66dfcc85SDavid van Moolenbroek 	if (bflag)
608*66dfcc85SDavid van Moolenbroek 		printf("%10" PRIu64 " %8.8s %10" PRIu64 " %5.5s",
609*66dfcc85SDavid van Moolenbroek 		    cur->ift_ib - old->ift_ib, " ",
610*66dfcc85SDavid van Moolenbroek 		    cur->ift_ob - old->ift_ob, " ");
611*66dfcc85SDavid van Moolenbroek 	else
612*66dfcc85SDavid van Moolenbroek 		printf("%8" PRIu64 " %5" PRIu64 " %8" PRIu64 " %5" PRIu64 " %5" PRIu64,
613*66dfcc85SDavid van Moolenbroek 		    cur->ift_ip - old->ift_ip,
614*66dfcc85SDavid van Moolenbroek 		    cur->ift_ie - old->ift_ie,
615*66dfcc85SDavid van Moolenbroek 		    cur->ift_op - old->ift_op,
616*66dfcc85SDavid van Moolenbroek 		    cur->ift_oe - old->ift_oe,
617*66dfcc85SDavid van Moolenbroek 		    cur->ift_co - old->ift_co);
618*66dfcc85SDavid van Moolenbroek 	if (dflag)
619*66dfcc85SDavid van Moolenbroek 		printf(" %5llu",
620*66dfcc85SDavid van Moolenbroek 		    /* XXX ifnet.if_snd.ifq_drops - ip->ift_dr); */
621*66dfcc85SDavid van Moolenbroek 		    0LL);
622*66dfcc85SDavid van Moolenbroek }
623*66dfcc85SDavid van Moolenbroek 
624*66dfcc85SDavid van Moolenbroek static void
iftot_print_sum(struct iftot * cur,struct iftot * old)625*66dfcc85SDavid van Moolenbroek iftot_print_sum(struct iftot *cur, struct iftot *old)
626*66dfcc85SDavid van Moolenbroek {
627*66dfcc85SDavid van Moolenbroek 	if (bflag)
628*66dfcc85SDavid van Moolenbroek 		printf("  %10" PRIu64 " %8.8s %10" PRIu64 " %5.5s",
629*66dfcc85SDavid van Moolenbroek 		    cur->ift_ib - old->ift_ib, " ",
630*66dfcc85SDavid van Moolenbroek 		    cur->ift_ob - old->ift_ob, " ");
631*66dfcc85SDavid van Moolenbroek 	else
632*66dfcc85SDavid van Moolenbroek 		printf("  %8" PRIu64 " %5" PRIu64 " %8" PRIu64 " %5" PRIu64 " %5" PRIu64,
633*66dfcc85SDavid van Moolenbroek 		    cur->ift_ip - old->ift_ip,
634*66dfcc85SDavid van Moolenbroek 		    cur->ift_ie - old->ift_ie,
635*66dfcc85SDavid van Moolenbroek 		    cur->ift_op - old->ift_op,
636*66dfcc85SDavid van Moolenbroek 		    cur->ift_oe - old->ift_oe,
637*66dfcc85SDavid van Moolenbroek 		    cur->ift_co - old->ift_co);
638*66dfcc85SDavid van Moolenbroek 
639*66dfcc85SDavid van Moolenbroek 	if (dflag)
640*66dfcc85SDavid van Moolenbroek 		printf(" %5llu", (unsigned long long)(cur->ift_dr - old->ift_dr));
641*66dfcc85SDavid van Moolenbroek }
642*66dfcc85SDavid van Moolenbroek 
643*66dfcc85SDavid van Moolenbroek __dead static void
sidewaysintpr_sysctl(unsigned interval)644*66dfcc85SDavid van Moolenbroek sidewaysintpr_sysctl(unsigned interval)
645*66dfcc85SDavid van Moolenbroek {
646*66dfcc85SDavid van Moolenbroek 	sigset_t emptyset;
647*66dfcc85SDavid van Moolenbroek 	unsigned line;
648*66dfcc85SDavid van Moolenbroek 
649*66dfcc85SDavid van Moolenbroek 	set_lines();
650*66dfcc85SDavid van Moolenbroek 
651*66dfcc85SDavid van Moolenbroek 	fetchifs();
652*66dfcc85SDavid van Moolenbroek 	if (ip_cur.ift_name[0] == '\0') {
653*66dfcc85SDavid van Moolenbroek 		fprintf(stderr, "%s: %s: unknown interface\n",
654*66dfcc85SDavid van Moolenbroek 		    getprogname(), interface);
655*66dfcc85SDavid van Moolenbroek 		exit(1);
656*66dfcc85SDavid van Moolenbroek 	}
657*66dfcc85SDavid van Moolenbroek 
658*66dfcc85SDavid van Moolenbroek 	(void)signal(SIGALRM, catchalarm);
659*66dfcc85SDavid van Moolenbroek 	signalled = 0;
660*66dfcc85SDavid van Moolenbroek 	(void)alarm(interval);
661*66dfcc85SDavid van Moolenbroek banner:
662*66dfcc85SDavid van Moolenbroek 	iftot_banner(&ip_cur);
663*66dfcc85SDavid van Moolenbroek 
664*66dfcc85SDavid van Moolenbroek 	line = 0;
665*66dfcc85SDavid van Moolenbroek 	bzero(&ip_old, sizeof(ip_old));
666*66dfcc85SDavid van Moolenbroek 	bzero(&sum_old, sizeof(sum_old));
667*66dfcc85SDavid van Moolenbroek loop:
668*66dfcc85SDavid van Moolenbroek 	bzero(&sum_cur, sizeof(sum_cur));
669*66dfcc85SDavid van Moolenbroek 
670*66dfcc85SDavid van Moolenbroek 	fetchifs();
671*66dfcc85SDavid van Moolenbroek 
672*66dfcc85SDavid van Moolenbroek 	iftot_print(&ip_cur, &ip_old);
673*66dfcc85SDavid van Moolenbroek 
674*66dfcc85SDavid van Moolenbroek 	ip_old = ip_cur;
675*66dfcc85SDavid van Moolenbroek 
676*66dfcc85SDavid van Moolenbroek 	iftot_print_sum(&sum_cur, &sum_old);
677*66dfcc85SDavid van Moolenbroek 
678*66dfcc85SDavid van Moolenbroek 	sum_old = sum_cur;
679*66dfcc85SDavid van Moolenbroek 
680*66dfcc85SDavid van Moolenbroek 	putchar('\n');
681*66dfcc85SDavid van Moolenbroek 	fflush(stdout);
682*66dfcc85SDavid van Moolenbroek 	line++;
683*66dfcc85SDavid van Moolenbroek 	sigemptyset(&emptyset);
684*66dfcc85SDavid van Moolenbroek 	if (!signalled)
685*66dfcc85SDavid van Moolenbroek 		sigsuspend(&emptyset);
686*66dfcc85SDavid van Moolenbroek 	signalled = 0;
687*66dfcc85SDavid van Moolenbroek 	(void)alarm(interval);
688*66dfcc85SDavid van Moolenbroek 	if (line == redraw_lines)
689*66dfcc85SDavid van Moolenbroek 		goto banner;
690*66dfcc85SDavid van Moolenbroek 	goto loop;
691*66dfcc85SDavid van Moolenbroek 	/*NOTREACHED*/
692*66dfcc85SDavid van Moolenbroek }
693*66dfcc85SDavid van Moolenbroek 
694*66dfcc85SDavid van Moolenbroek static void
sidewaysintpr_kvm(unsigned interval,u_long off)695*66dfcc85SDavid van Moolenbroek sidewaysintpr_kvm(unsigned interval, u_long off)
696*66dfcc85SDavid van Moolenbroek {
697*66dfcc85SDavid van Moolenbroek 	struct itimerval it;
698*66dfcc85SDavid van Moolenbroek 	struct ifnet ifnet;
699*66dfcc85SDavid van Moolenbroek 	u_long firstifnet;
700*66dfcc85SDavid van Moolenbroek 	struct iftot *ip, *total;
701*66dfcc85SDavid van Moolenbroek 	unsigned line;
702*66dfcc85SDavid van Moolenbroek 	struct iftot *lastif, *sum, *interesting;
703*66dfcc85SDavid van Moolenbroek 	struct ifnet_head ifhead;	/* TAILQ_HEAD */
704*66dfcc85SDavid van Moolenbroek 	int oldmask;
705*66dfcc85SDavid van Moolenbroek 
706*66dfcc85SDavid van Moolenbroek 	set_lines();
707*66dfcc85SDavid van Moolenbroek 
708*66dfcc85SDavid van Moolenbroek 	/*
709*66dfcc85SDavid van Moolenbroek 	 * Find the pointer to the first ifnet structure.  Replace
710*66dfcc85SDavid van Moolenbroek 	 * the pointer to the TAILQ_HEAD with the actual pointer
711*66dfcc85SDavid van Moolenbroek 	 * to the first list element.
712*66dfcc85SDavid van Moolenbroek 	 */
713*66dfcc85SDavid van Moolenbroek 	if (kread(off, (char *)&ifhead, sizeof ifhead))
714*66dfcc85SDavid van Moolenbroek 		return;
715*66dfcc85SDavid van Moolenbroek 	firstifnet = (u_long)ifhead.tqh_first;
716*66dfcc85SDavid van Moolenbroek 
717*66dfcc85SDavid van Moolenbroek 	lastif = iftot;
718*66dfcc85SDavid van Moolenbroek 	sum = iftot + MAXIF - 1;
719*66dfcc85SDavid van Moolenbroek 	total = sum - 1;
720*66dfcc85SDavid van Moolenbroek 	interesting = (interface == NULL) ? iftot : NULL;
721*66dfcc85SDavid van Moolenbroek 	for (off = firstifnet, ip = iftot; off;) {
722*66dfcc85SDavid van Moolenbroek 		if (kread(off, (char *)&ifnet, sizeof ifnet))
723*66dfcc85SDavid van Moolenbroek 			break;
724*66dfcc85SDavid van Moolenbroek 		memset(ip->ift_name, 0, sizeof(ip->ift_name));
725*66dfcc85SDavid van Moolenbroek 		snprintf(ip->ift_name, IFNAMSIZ, "%s", ifnet.if_xname);
726*66dfcc85SDavid van Moolenbroek 		if (interface && strcmp(ifnet.if_xname, interface) == 0)
727*66dfcc85SDavid van Moolenbroek 			interesting = ip;
728*66dfcc85SDavid van Moolenbroek 		ip++;
729*66dfcc85SDavid van Moolenbroek 		if (ip >= iftot + MAXIF - 2)
730*66dfcc85SDavid van Moolenbroek 			break;
731*66dfcc85SDavid van Moolenbroek 		off = (u_long)ifnet.if_list.tqe_next;
732*66dfcc85SDavid van Moolenbroek 	}
733*66dfcc85SDavid van Moolenbroek 	if (interesting == NULL) {
734*66dfcc85SDavid van Moolenbroek 		fprintf(stderr, "%s: %s: unknown interface\n",
735*66dfcc85SDavid van Moolenbroek 		    getprogname(), interface);
736*66dfcc85SDavid van Moolenbroek 		exit(1);
737*66dfcc85SDavid van Moolenbroek 	}
738*66dfcc85SDavid van Moolenbroek 	lastif = ip;
739*66dfcc85SDavid van Moolenbroek 
740*66dfcc85SDavid van Moolenbroek 	(void)signal(SIGALRM, catchalarm);
741*66dfcc85SDavid van Moolenbroek 	signalled = false;
742*66dfcc85SDavid van Moolenbroek 
743*66dfcc85SDavid van Moolenbroek 	it.it_interval.tv_sec = it.it_value.tv_sec = interval;
744*66dfcc85SDavid van Moolenbroek 	it.it_interval.tv_usec = it.it_value.tv_usec = 0;
745*66dfcc85SDavid van Moolenbroek 	setitimer(ITIMER_REAL, &it, NULL);
746*66dfcc85SDavid van Moolenbroek 
747*66dfcc85SDavid van Moolenbroek banner:
748*66dfcc85SDavid van Moolenbroek 	if (bflag)
749*66dfcc85SDavid van Moolenbroek 		printf("%7.7s in %8.8s %6.6s out %5.5s",
750*66dfcc85SDavid van Moolenbroek 		    interesting->ift_name, " ",
751*66dfcc85SDavid van Moolenbroek 		    interesting->ift_name, " ");
752*66dfcc85SDavid van Moolenbroek 	else
753*66dfcc85SDavid van Moolenbroek 		printf("%5.5s in %5.5s%5.5s out %5.5s %5.5s",
754*66dfcc85SDavid van Moolenbroek 		    interesting->ift_name, " ",
755*66dfcc85SDavid van Moolenbroek 		    interesting->ift_name, " ", " ");
756*66dfcc85SDavid van Moolenbroek 	if (dflag)
757*66dfcc85SDavid van Moolenbroek 		printf(" %5.5s", " ");
758*66dfcc85SDavid van Moolenbroek 	if (lastif - iftot > 0) {
759*66dfcc85SDavid van Moolenbroek 		if (bflag)
760*66dfcc85SDavid van Moolenbroek 			printf("  %7.7s in %8.8s %6.6s out %5.5s",
761*66dfcc85SDavid van Moolenbroek 			    "total", " ", "total", " ");
762*66dfcc85SDavid van Moolenbroek 		else
763*66dfcc85SDavid van Moolenbroek 			printf("  %5.5s in %5.5s%5.5s out %5.5s %5.5s",
764*66dfcc85SDavid van Moolenbroek 			    "total", " ", "total", " ", " ");
765*66dfcc85SDavid van Moolenbroek 		if (dflag)
766*66dfcc85SDavid van Moolenbroek 			printf(" %5.5s", " ");
767*66dfcc85SDavid van Moolenbroek 	}
768*66dfcc85SDavid van Moolenbroek 	for (ip = iftot; ip < iftot + MAXIF; ip++) {
769*66dfcc85SDavid van Moolenbroek 		ip->ift_ip = 0;
770*66dfcc85SDavid van Moolenbroek 		ip->ift_ib = 0;
771*66dfcc85SDavid van Moolenbroek 		ip->ift_ie = 0;
772*66dfcc85SDavid van Moolenbroek 		ip->ift_op = 0;
773*66dfcc85SDavid van Moolenbroek 		ip->ift_ob = 0;
774*66dfcc85SDavid van Moolenbroek 		ip->ift_oe = 0;
775*66dfcc85SDavid van Moolenbroek 		ip->ift_co = 0;
776*66dfcc85SDavid van Moolenbroek 		ip->ift_dr = 0;
777*66dfcc85SDavid van Moolenbroek 	}
778*66dfcc85SDavid van Moolenbroek 	putchar('\n');
779*66dfcc85SDavid van Moolenbroek 	if (bflag)
780*66dfcc85SDavid van Moolenbroek 		printf("%10.10s %8.8s %10.10s %5.5s",
781*66dfcc85SDavid van Moolenbroek 		    "bytes", " ", "bytes", " ");
782*66dfcc85SDavid van Moolenbroek 	else
783*66dfcc85SDavid van Moolenbroek 		printf("%8.8s %5.5s %8.8s %5.5s %5.5s",
784*66dfcc85SDavid van Moolenbroek 		    "packets", "errs", "packets", "errs", "colls");
785*66dfcc85SDavid van Moolenbroek 	if (dflag)
786*66dfcc85SDavid van Moolenbroek 		printf(" %5.5s", "drops");
787*66dfcc85SDavid van Moolenbroek 	if (lastif - iftot > 0) {
788*66dfcc85SDavid van Moolenbroek 		if (bflag)
789*66dfcc85SDavid van Moolenbroek 			printf("  %10.10s %8.8s %10.10s %5.5s",
790*66dfcc85SDavid van Moolenbroek 			    "bytes", " ", "bytes", " ");
791*66dfcc85SDavid van Moolenbroek 		else
792*66dfcc85SDavid van Moolenbroek 			printf("  %8.8s %5.5s %8.8s %5.5s %5.5s",
793*66dfcc85SDavid van Moolenbroek 			    "packets", "errs", "packets", "errs", "colls");
794*66dfcc85SDavid van Moolenbroek 		if (dflag)
795*66dfcc85SDavid van Moolenbroek 			printf(" %5.5s", "drops");
796*66dfcc85SDavid van Moolenbroek 	}
797*66dfcc85SDavid van Moolenbroek 	putchar('\n');
798*66dfcc85SDavid van Moolenbroek 	fflush(stdout);
799*66dfcc85SDavid van Moolenbroek 	line = 0;
800*66dfcc85SDavid van Moolenbroek loop:
801*66dfcc85SDavid van Moolenbroek 	sum->ift_ip = 0;
802*66dfcc85SDavid van Moolenbroek 	sum->ift_ib = 0;
803*66dfcc85SDavid van Moolenbroek 	sum->ift_ie = 0;
804*66dfcc85SDavid van Moolenbroek 	sum->ift_op = 0;
805*66dfcc85SDavid van Moolenbroek 	sum->ift_ob = 0;
806*66dfcc85SDavid van Moolenbroek 	sum->ift_oe = 0;
807*66dfcc85SDavid van Moolenbroek 	sum->ift_co = 0;
808*66dfcc85SDavid van Moolenbroek 	sum->ift_dr = 0;
809*66dfcc85SDavid van Moolenbroek 	for (off = firstifnet, ip = iftot; off && ip < lastif; ip++) {
810*66dfcc85SDavid van Moolenbroek 		if (kread(off, (char *)&ifnet, sizeof ifnet)) {
811*66dfcc85SDavid van Moolenbroek 			off = 0;
812*66dfcc85SDavid van Moolenbroek 			continue;
813*66dfcc85SDavid van Moolenbroek 		}
814*66dfcc85SDavid van Moolenbroek 		if (ip == interesting) {
815*66dfcc85SDavid van Moolenbroek 			if (bflag) {
816*66dfcc85SDavid van Moolenbroek 				char humbuf[HUMBUF_SIZE];
817*66dfcc85SDavid van Moolenbroek 
818*66dfcc85SDavid van Moolenbroek 				if (hflag && humanize_number(humbuf,
819*66dfcc85SDavid van Moolenbroek 				    sizeof(humbuf),
820*66dfcc85SDavid van Moolenbroek 				    ifnet.if_ibytes - ip->ift_ib, "",
821*66dfcc85SDavid van Moolenbroek 				    HN_AUTOSCALE, HN_NOSPACE | HN_B) > 0)
822*66dfcc85SDavid van Moolenbroek 					printf("%10s %8.8s ", humbuf, " ");
823*66dfcc85SDavid van Moolenbroek 				else
824*66dfcc85SDavid van Moolenbroek 					printf("%10llu %8.8s ",
825*66dfcc85SDavid van Moolenbroek 					    (unsigned long long)
826*66dfcc85SDavid van Moolenbroek 					    (ifnet.if_ibytes-ip->ift_ib), " ");
827*66dfcc85SDavid van Moolenbroek 
828*66dfcc85SDavid van Moolenbroek 				if (hflag && humanize_number(humbuf,
829*66dfcc85SDavid van Moolenbroek 				    sizeof(humbuf),
830*66dfcc85SDavid van Moolenbroek 				    ifnet.if_obytes - ip->ift_ob, "",
831*66dfcc85SDavid van Moolenbroek 				    HN_AUTOSCALE, HN_NOSPACE | HN_B) > 0)
832*66dfcc85SDavid van Moolenbroek 					printf("%10s %5.5s", humbuf, " ");
833*66dfcc85SDavid van Moolenbroek 				else
834*66dfcc85SDavid van Moolenbroek 					printf("%10llu %5.5s",
835*66dfcc85SDavid van Moolenbroek 					    (unsigned long long)
836*66dfcc85SDavid van Moolenbroek 					    (ifnet.if_obytes-ip->ift_ob), " ");
837*66dfcc85SDavid van Moolenbroek 			} else {
838*66dfcc85SDavid van Moolenbroek 				printf("%8llu %5llu %8llu %5llu %5llu",
839*66dfcc85SDavid van Moolenbroek 				    (unsigned long long)
840*66dfcc85SDavid van Moolenbroek 					(ifnet.if_ipackets - ip->ift_ip),
841*66dfcc85SDavid van Moolenbroek 				    (unsigned long long)
842*66dfcc85SDavid van Moolenbroek 					(ifnet.if_ierrors - ip->ift_ie),
843*66dfcc85SDavid van Moolenbroek 				    (unsigned long long)
844*66dfcc85SDavid van Moolenbroek 					(ifnet.if_opackets - ip->ift_op),
845*66dfcc85SDavid van Moolenbroek 				    (unsigned long long)
846*66dfcc85SDavid van Moolenbroek 					(ifnet.if_oerrors - ip->ift_oe),
847*66dfcc85SDavid van Moolenbroek 				    (unsigned long long)
848*66dfcc85SDavid van Moolenbroek 					(ifnet.if_collisions - ip->ift_co));
849*66dfcc85SDavid van Moolenbroek 			}
850*66dfcc85SDavid van Moolenbroek 			if (dflag)
851*66dfcc85SDavid van Moolenbroek 				printf(" %5llu",
852*66dfcc85SDavid van Moolenbroek 				    (unsigned long long)
853*66dfcc85SDavid van Moolenbroek 					(ifnet.if_snd.ifq_drops - ip->ift_dr));
854*66dfcc85SDavid van Moolenbroek 		}
855*66dfcc85SDavid van Moolenbroek 		ip->ift_ip = ifnet.if_ipackets;
856*66dfcc85SDavid van Moolenbroek 		ip->ift_ib = ifnet.if_ibytes;
857*66dfcc85SDavid van Moolenbroek 		ip->ift_ie = ifnet.if_ierrors;
858*66dfcc85SDavid van Moolenbroek 		ip->ift_op = ifnet.if_opackets;
859*66dfcc85SDavid van Moolenbroek 		ip->ift_ob = ifnet.if_obytes;
860*66dfcc85SDavid van Moolenbroek 		ip->ift_oe = ifnet.if_oerrors;
861*66dfcc85SDavid van Moolenbroek 		ip->ift_co = ifnet.if_collisions;
862*66dfcc85SDavid van Moolenbroek 		ip->ift_dr = ifnet.if_snd.ifq_drops;
863*66dfcc85SDavid van Moolenbroek 		sum->ift_ip += ip->ift_ip;
864*66dfcc85SDavid van Moolenbroek 		sum->ift_ib += ip->ift_ib;
865*66dfcc85SDavid van Moolenbroek 		sum->ift_ie += ip->ift_ie;
866*66dfcc85SDavid van Moolenbroek 		sum->ift_op += ip->ift_op;
867*66dfcc85SDavid van Moolenbroek 		sum->ift_ob += ip->ift_ob;
868*66dfcc85SDavid van Moolenbroek 		sum->ift_oe += ip->ift_oe;
869*66dfcc85SDavid van Moolenbroek 		sum->ift_co += ip->ift_co;
870*66dfcc85SDavid van Moolenbroek 		sum->ift_dr += ip->ift_dr;
871*66dfcc85SDavid van Moolenbroek 		off = (u_long)ifnet.if_list.tqe_next;
872*66dfcc85SDavid van Moolenbroek 	}
873*66dfcc85SDavid van Moolenbroek 	if (lastif - iftot > 0) {
874*66dfcc85SDavid van Moolenbroek 		if (bflag) {
875*66dfcc85SDavid van Moolenbroek 			char humbuf[HUMBUF_SIZE];
876*66dfcc85SDavid van Moolenbroek 
877*66dfcc85SDavid van Moolenbroek 			if (hflag && humanize_number(humbuf,
878*66dfcc85SDavid van Moolenbroek 			    sizeof(humbuf), sum->ift_ib - total->ift_ib, "",
879*66dfcc85SDavid van Moolenbroek 			    HN_AUTOSCALE, HN_NOSPACE | HN_B) > 0)
880*66dfcc85SDavid van Moolenbroek 				printf("  %10s %8.8s ", humbuf, " ");
881*66dfcc85SDavid van Moolenbroek 			else
882*66dfcc85SDavid van Moolenbroek 				printf("  %10llu %8.8s ",
883*66dfcc85SDavid van Moolenbroek 				    (unsigned long long)
884*66dfcc85SDavid van Moolenbroek 				    (sum->ift_ib - total->ift_ib), " ");
885*66dfcc85SDavid van Moolenbroek 
886*66dfcc85SDavid van Moolenbroek 			if (hflag && humanize_number(humbuf,
887*66dfcc85SDavid van Moolenbroek 			    sizeof(humbuf), sum->ift_ob -  total->ift_ob, "",
888*66dfcc85SDavid van Moolenbroek 			    HN_AUTOSCALE, HN_NOSPACE | HN_B) > 0)
889*66dfcc85SDavid van Moolenbroek 				printf("%10s %5.5s", humbuf, " ");
890*66dfcc85SDavid van Moolenbroek 			else
891*66dfcc85SDavid van Moolenbroek 				printf("%10llu %5.5s",
892*66dfcc85SDavid van Moolenbroek 				    (unsigned long long)
893*66dfcc85SDavid van Moolenbroek 				    (sum->ift_ob - total->ift_ob), " ");
894*66dfcc85SDavid van Moolenbroek 		} else {
895*66dfcc85SDavid van Moolenbroek 			printf("  %8llu %5llu %8llu %5llu %5llu",
896*66dfcc85SDavid van Moolenbroek 			    (unsigned long long)
897*66dfcc85SDavid van Moolenbroek 				(sum->ift_ip - total->ift_ip),
898*66dfcc85SDavid van Moolenbroek 			    (unsigned long long)
899*66dfcc85SDavid van Moolenbroek 				(sum->ift_ie - total->ift_ie),
900*66dfcc85SDavid van Moolenbroek 			    (unsigned long long)
901*66dfcc85SDavid van Moolenbroek 				(sum->ift_op - total->ift_op),
902*66dfcc85SDavid van Moolenbroek 			    (unsigned long long)
903*66dfcc85SDavid van Moolenbroek 				(sum->ift_oe - total->ift_oe),
904*66dfcc85SDavid van Moolenbroek 			    (unsigned long long)
905*66dfcc85SDavid van Moolenbroek 				(sum->ift_co - total->ift_co));
906*66dfcc85SDavid van Moolenbroek 		}
907*66dfcc85SDavid van Moolenbroek 		if (dflag)
908*66dfcc85SDavid van Moolenbroek 			printf(" %5llu",
909*66dfcc85SDavid van Moolenbroek 			    (unsigned long long)(sum->ift_dr - total->ift_dr));
910*66dfcc85SDavid van Moolenbroek 	}
911*66dfcc85SDavid van Moolenbroek 	*total = *sum;
912*66dfcc85SDavid van Moolenbroek 	putchar('\n');
913*66dfcc85SDavid van Moolenbroek 	fflush(stdout);
914*66dfcc85SDavid van Moolenbroek 	line++;
915*66dfcc85SDavid van Moolenbroek 	oldmask = sigblock(sigmask(SIGALRM));
916*66dfcc85SDavid van Moolenbroek 	if (! signalled) {
917*66dfcc85SDavid van Moolenbroek 		sigpause(0);
918*66dfcc85SDavid van Moolenbroek 	}
919*66dfcc85SDavid van Moolenbroek 	sigsetmask(oldmask);
920*66dfcc85SDavid van Moolenbroek 	signalled = false;
921*66dfcc85SDavid van Moolenbroek 	if (line == redraw_lines)
922*66dfcc85SDavid van Moolenbroek 		goto banner;
923*66dfcc85SDavid van Moolenbroek 	goto loop;
924*66dfcc85SDavid van Moolenbroek 	/*NOTREACHED*/
925*66dfcc85SDavid van Moolenbroek }
926*66dfcc85SDavid van Moolenbroek 
927*66dfcc85SDavid van Moolenbroek /*
928*66dfcc85SDavid van Moolenbroek  * Print a running summary of interface statistics.
929*66dfcc85SDavid van Moolenbroek  * Repeat display every interval seconds, showing statistics
930*66dfcc85SDavid van Moolenbroek  * collected over that interval.  Assumes that interval is non-zero.
931*66dfcc85SDavid van Moolenbroek  * First line printed at top of screen is always cumulative.
932*66dfcc85SDavid van Moolenbroek  */
933*66dfcc85SDavid van Moolenbroek static void
sidewaysintpr(unsigned int interval,u_long off)934*66dfcc85SDavid van Moolenbroek sidewaysintpr(unsigned int interval, u_long off)
935*66dfcc85SDavid van Moolenbroek {
936*66dfcc85SDavid van Moolenbroek 
937*66dfcc85SDavid van Moolenbroek 	if (use_sysctl) {
938*66dfcc85SDavid van Moolenbroek 		sidewaysintpr_sysctl(interval);
939*66dfcc85SDavid van Moolenbroek 	} else {
940*66dfcc85SDavid van Moolenbroek 		sidewaysintpr_kvm(interval, off);
941*66dfcc85SDavid van Moolenbroek 	}
942*66dfcc85SDavid van Moolenbroek }
943*66dfcc85SDavid van Moolenbroek 
944*66dfcc85SDavid van Moolenbroek /*
945*66dfcc85SDavid van Moolenbroek  * Called if an interval expires before sidewaysintpr has completed a loop.
946*66dfcc85SDavid van Moolenbroek  * Sets a flag to not wait for the alarm.
947*66dfcc85SDavid van Moolenbroek  */
948*66dfcc85SDavid van Moolenbroek static void
catchalarm(int signo)949*66dfcc85SDavid van Moolenbroek catchalarm(int signo)
950*66dfcc85SDavid van Moolenbroek {
951*66dfcc85SDavid van Moolenbroek 
952*66dfcc85SDavid van Moolenbroek 	signalled = true;
953*66dfcc85SDavid van Moolenbroek }
954*66dfcc85SDavid van Moolenbroek 
955*66dfcc85SDavid van Moolenbroek static void
get_rtaddrs(int addrs,struct sockaddr * sa,struct sockaddr ** rti_info)956*66dfcc85SDavid van Moolenbroek get_rtaddrs(int addrs, struct sockaddr *sa, struct sockaddr **rti_info)
957*66dfcc85SDavid van Moolenbroek {
958*66dfcc85SDavid van Moolenbroek 	int i;
959*66dfcc85SDavid van Moolenbroek 
960*66dfcc85SDavid van Moolenbroek 	for (i = 0; i < RTAX_MAX; i++) {
961*66dfcc85SDavid van Moolenbroek 		if (addrs & (1 << i)) {
962*66dfcc85SDavid van Moolenbroek 			rti_info[i] = sa;
963*66dfcc85SDavid van Moolenbroek 			sa = (struct sockaddr *)((char *)(sa) +
964*66dfcc85SDavid van Moolenbroek 			    RT_ROUNDUP(sa->sa_len));
965*66dfcc85SDavid van Moolenbroek 		} else
966*66dfcc85SDavid van Moolenbroek 			rti_info[i] = NULL;
967*66dfcc85SDavid van Moolenbroek 	}
968*66dfcc85SDavid van Moolenbroek }
969*66dfcc85SDavid van Moolenbroek 
970*66dfcc85SDavid van Moolenbroek static void
fetchifs(void)971*66dfcc85SDavid van Moolenbroek fetchifs(void)
972*66dfcc85SDavid van Moolenbroek {
973*66dfcc85SDavid van Moolenbroek 	struct if_msghdr *ifm;
974*66dfcc85SDavid van Moolenbroek 	int mib[6] = { CTL_NET, AF_ROUTE, 0, 0, NET_RT_IFLIST, 0 };
975*66dfcc85SDavid van Moolenbroek 	struct rt_msghdr *rtm;
976*66dfcc85SDavid van Moolenbroek 	struct if_data *ifd = NULL;
977*66dfcc85SDavid van Moolenbroek 	struct sockaddr *sa, *rti_info[RTAX_MAX];
978*66dfcc85SDavid van Moolenbroek 	struct sockaddr_dl *sdl;
979*66dfcc85SDavid van Moolenbroek 	char *buf, *next, *lim;
980*66dfcc85SDavid van Moolenbroek 	char name[IFNAMSIZ];
981*66dfcc85SDavid van Moolenbroek 	size_t len;
982*66dfcc85SDavid van Moolenbroek 
983*66dfcc85SDavid van Moolenbroek 	if (prog_sysctl(mib, 6, NULL, &len, NULL, 0) == -1)
984*66dfcc85SDavid van Moolenbroek 		err(1, "sysctl");
985*66dfcc85SDavid van Moolenbroek 	if ((buf = malloc(len)) == NULL)
986*66dfcc85SDavid van Moolenbroek 		err(1, NULL);
987*66dfcc85SDavid van Moolenbroek 	if (prog_sysctl(mib, 6, buf, &len, NULL, 0) == -1)
988*66dfcc85SDavid van Moolenbroek 		err(1, "sysctl");
989*66dfcc85SDavid van Moolenbroek 
990*66dfcc85SDavid van Moolenbroek 	lim = buf + len;
991*66dfcc85SDavid van Moolenbroek 	for (next = buf; next < lim; next += rtm->rtm_msglen) {
992*66dfcc85SDavid van Moolenbroek 		rtm = (struct rt_msghdr *)next;
993*66dfcc85SDavid van Moolenbroek 		if (rtm->rtm_version != RTM_VERSION)
994*66dfcc85SDavid van Moolenbroek 			continue;
995*66dfcc85SDavid van Moolenbroek 		switch (rtm->rtm_type) {
996*66dfcc85SDavid van Moolenbroek 		case RTM_IFINFO:
997*66dfcc85SDavid van Moolenbroek 			ifm = (struct if_msghdr *)next;
998*66dfcc85SDavid van Moolenbroek 			ifd = &ifm->ifm_data;
999*66dfcc85SDavid van Moolenbroek 
1000*66dfcc85SDavid van Moolenbroek 			sa = (struct sockaddr *)(ifm + 1);
1001*66dfcc85SDavid van Moolenbroek 			get_rtaddrs(ifm->ifm_addrs, sa, rti_info);
1002*66dfcc85SDavid van Moolenbroek 
1003*66dfcc85SDavid van Moolenbroek 			sdl = (struct sockaddr_dl *)rti_info[RTAX_IFP];
1004*66dfcc85SDavid van Moolenbroek 			if (sdl == NULL || sdl->sdl_family != AF_LINK)
1005*66dfcc85SDavid van Moolenbroek 				continue;
1006*66dfcc85SDavid van Moolenbroek 			bzero(name, sizeof(name));
1007*66dfcc85SDavid van Moolenbroek 			if (sdl->sdl_nlen >= IFNAMSIZ)
1008*66dfcc85SDavid van Moolenbroek 				memcpy(name, sdl->sdl_data, IFNAMSIZ - 1);
1009*66dfcc85SDavid van Moolenbroek 			else if (sdl->sdl_nlen > 0)
1010*66dfcc85SDavid van Moolenbroek 				memcpy(name, sdl->sdl_data, sdl->sdl_nlen);
1011*66dfcc85SDavid van Moolenbroek 
1012*66dfcc85SDavid van Moolenbroek 			if (interface != 0 && !strcmp(name, interface)) {
1013*66dfcc85SDavid van Moolenbroek 				strlcpy(ip_cur.ift_name, name,
1014*66dfcc85SDavid van Moolenbroek 				    sizeof(ip_cur.ift_name));
1015*66dfcc85SDavid van Moolenbroek 				ip_cur.ift_ip = ifd->ifi_ipackets;
1016*66dfcc85SDavid van Moolenbroek 				ip_cur.ift_ib = ifd->ifi_ibytes;
1017*66dfcc85SDavid van Moolenbroek 				ip_cur.ift_ie = ifd->ifi_ierrors;
1018*66dfcc85SDavid van Moolenbroek 				ip_cur.ift_op = ifd->ifi_opackets;
1019*66dfcc85SDavid van Moolenbroek 				ip_cur.ift_ob = ifd->ifi_obytes;
1020*66dfcc85SDavid van Moolenbroek 				ip_cur.ift_oe = ifd->ifi_oerrors;
1021*66dfcc85SDavid van Moolenbroek 				ip_cur.ift_co = ifd->ifi_collisions;
1022*66dfcc85SDavid van Moolenbroek 				ip_cur.ift_dr = 0;
1023*66dfcc85SDavid van Moolenbroek 				    /* XXX-elad ifnet.if_snd.ifq_drops */
1024*66dfcc85SDavid van Moolenbroek 			}
1025*66dfcc85SDavid van Moolenbroek 
1026*66dfcc85SDavid van Moolenbroek 			sum_cur.ift_ip += ifd->ifi_ipackets;
1027*66dfcc85SDavid van Moolenbroek 			sum_cur.ift_ib += ifd->ifi_ibytes;
1028*66dfcc85SDavid van Moolenbroek 			sum_cur.ift_ie += ifd->ifi_ierrors;
1029*66dfcc85SDavid van Moolenbroek 			sum_cur.ift_op += ifd->ifi_opackets;
1030*66dfcc85SDavid van Moolenbroek 			sum_cur.ift_ob += ifd->ifi_obytes;
1031*66dfcc85SDavid van Moolenbroek 			sum_cur.ift_oe += ifd->ifi_oerrors;
1032*66dfcc85SDavid van Moolenbroek 			sum_cur.ift_co += ifd->ifi_collisions;
1033*66dfcc85SDavid van Moolenbroek 			sum_cur.ift_dr += 0; /* XXX-elad ifnet.if_snd.ifq_drops */
1034*66dfcc85SDavid van Moolenbroek 			break;
1035*66dfcc85SDavid van Moolenbroek 		}
1036*66dfcc85SDavid van Moolenbroek 	}
1037*66dfcc85SDavid van Moolenbroek 	if (interface == NULL) {
1038*66dfcc85SDavid van Moolenbroek 		strlcpy(ip_cur.ift_name, name,
1039*66dfcc85SDavid van Moolenbroek 		    sizeof(ip_cur.ift_name));
1040*66dfcc85SDavid van Moolenbroek 		ip_cur.ift_ip = ifd->ifi_ipackets;
1041*66dfcc85SDavid van Moolenbroek 		ip_cur.ift_ib = ifd->ifi_ibytes;
1042*66dfcc85SDavid van Moolenbroek 		ip_cur.ift_ie = ifd->ifi_ierrors;
1043*66dfcc85SDavid van Moolenbroek 		ip_cur.ift_op = ifd->ifi_opackets;
1044*66dfcc85SDavid van Moolenbroek 		ip_cur.ift_ob = ifd->ifi_obytes;
1045*66dfcc85SDavid van Moolenbroek 		ip_cur.ift_oe = ifd->ifi_oerrors;
1046*66dfcc85SDavid van Moolenbroek 		ip_cur.ift_co = ifd->ifi_collisions;
1047*66dfcc85SDavid van Moolenbroek 		ip_cur.ift_dr = 0;
1048*66dfcc85SDavid van Moolenbroek 		    /* XXX-elad ifnet.if_snd.ifq_drops */
1049*66dfcc85SDavid van Moolenbroek 	}
1050*66dfcc85SDavid van Moolenbroek }
1051