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root/i-scream/projects/libstatgrab/src/libstatgrab/network_stats.c

Comparing projects/libstatgrab/src/libstatgrab/network_stats.c (file contents):
Revision 1.9 by pajs, Wed Mar 12 16:15:48 2003 UTC vs.
Revision 1.46 by tdb, Sat Mar 6 19:04:29 2004 UTC

#	Line 1 | Line 1
1	<	/*
1	>	/*
2		* i-scream central monitoring system
3	<	* http://www.i-scream.org.uk
4	<	* Copyright (C) 2000-2002 i-scream
3	>	* http://www.i-scream.org
4	>	* Copyright (C) 2000-2004 i-scream
5		*
6	<	* This program is free software; you can redistribute it and/or
7	<	* modify it under the terms of the GNU General Public License
8	<	* as published by the Free Software Foundation; either version 2
9	<	* of the License, or (at your option) any later version.
6	>	* This library is free software; you can redistribute it and/or
7	>	* modify it under the terms of the GNU Lesser General Public
8	>	* License as published by the Free Software Foundation; either
9	>	* version 2.1 of the License, or (at your option) any later version.
10		*
11	<	* This program is distributed in the hope that it will be useful,
11	>	* This library is distributed in the hope that it will be useful,
12		* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	<	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14	<	* GNU General Public License for more details.
13	>	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14	>	* Lesser General Public License for more details.
15		*
16	<	* You should have received a copy of the GNU General Public License
17	<	* along with this program; if not, write to the Free Software
18	<	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
16	>	* You should have received a copy of the GNU Lesser General Public
17	>	* License along with this library; if not, write to the Free Software
18	>	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19	>	* 02111-1307 USA
20	>	*
21	>	* $Id$
22		*/
23
24		#ifdef HAVE_CONFIG_H
#	Line 25 | Line 28
28		#include <stdlib.h>
29		#include <string.h>
30		#include "statgrab.h"
31	<	#include "time.h"
31	>	#include <time.h>
32		#ifdef SOLARIS
33		#include <kstat.h>
34		#include <sys/sysinfo.h>
35	+	#include <sys/types.h>
36	+	#include <sys/socket.h>
37	+	#include <sys/ioctl.h>
38	+	#include <net/if.h>
39	+	#include <netinet/in.h>
40	+	#include <sys/sockio.h>
41		#endif
42		#ifdef LINUX
43		#include <stdio.h>
44		#include <sys/types.h>
45		#include <regex.h>
46	+	#include <sys/ioctl.h>
47	+	#include <sys/socket.h>
48	+	#include <net/if.h>
49	+	#include <ctype.h>
50		#include "tools.h"
51	+	/* Stuff which could be defined by defining KERNEL, but
52	+	* that would be a bad idea, so we'll just declare it here
53	+	*/
54	+	typedef __uint8_t u8;
55	+	typedef __uint16_t u16;
56	+	typedef __uint32_t u32;
57	+	typedef __uint64_t u64;
58	+	#include <linux/ethtool.h>
59	+	#include <linux/sockios.h>
60	+	#include <unistd.h>
61		#endif
62	+	#ifdef ALLBSD
63	+	#include <sys/types.h>
64	+	#include <sys/socket.h>
65	+	#include <ifaddrs.h>
66	+	#include <net/if.h>
67	+	#include <net/if_media.h>
68	+	#include <sys/ioctl.h>
69	+	#endif
70
71		static network_stat_t *network_stats=NULL;
72		static int interfaces=0;
#	Line 90 | Line 121 | network_stat_t *get_network_stats(int *entries){
121
122		#ifdef LINUX
123		FILE *f;
124	<	/* Horrible big enough, but it should be quite easily */
124	>	/* Horrible big enough, but it should be easily big enough */
125		char line[8096];
126		regex_t regex;
127		regmatch_t line_match[4];
128		#endif
129	+	#ifdef ALLBSD
130	+	struct ifaddrs *net, *net_ptr;
131	+	struct if_data *net_data;
132	+	#endif
133
134	+	#ifdef ALLBSD
135	+	if(getifaddrs(&net) != 0){
136	+	return NULL;
137	+	}
138	+
139	+	interfaces=0;
140	+
141	+	for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
142	+	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
143	+	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
144	+	if(network_stats==NULL){
145	+	return NULL;
146	+	}
147	+	network_stat_ptr=network_stats+interfaces;
148	+
149	+	if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name);
150	+	network_stat_ptr->interface_name=strdup(net_ptr->ifa_name);
151	+	if(network_stat_ptr->interface_name==NULL) return NULL;
152	+	net_data=(struct if_data *)net_ptr->ifa_data;
153	+	network_stat_ptr->rx=net_data->ifi_ibytes;
154	+	network_stat_ptr->tx=net_data->ifi_obytes;
155	+	network_stat_ptr->ipackets=net_data->ifi_ipackets;
156	+	network_stat_ptr->opackets=net_data->ifi_opackets;
157	+	network_stat_ptr->ierrors=net_data->ifi_ierrors;
158	+	network_stat_ptr->oerrors=net_data->ifi_oerrors;
159	+	network_stat_ptr->collisions=net_data->ifi_collisions;
160	+	network_stat_ptr->systime=time(NULL);
161	+	interfaces++;
162	+	}
163	+	freeifaddrs(net);
164	+	#endif
165	+
166		#ifdef SOLARIS
167		if ((kc = kstat_open()) == NULL) {
168		return NULL;
#	Line 118 | Line 185 | network_stat_t *get_network_stats(int *entries){
185		#endif
186
187		if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
188	<	/* Not a network interface, so skip to the next entry */
188	>	/* This is a network interface, but it doesn't
189	>	* have the rbytes/obytes values; for instance,
190	>	* the loopback devices have this behaviour
191	>	* (although they do track packets in/out). */
192		continue;
193		}
194
#	Line 130 | Line 200 | network_stat_t *get_network_stats(int *entries){
200		network_stat_ptr->rx=knp->VALTYPE;
201
202		if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
133	–	/* Not a network interface, so skip to the next entry */
203		continue;
204		}
205		network_stat_ptr->tx=knp->VALTYPE;
#	Line 183 | Line 252 | network_stat_t *get_network_stats(int *entries){
252
253		interfaces++;
254		}
255	+	fclose(f);
256	+	regfree(&regex);
257
258		#endif
259	+
260	+	#ifdef CYGWIN
261	+	return NULL;
262	+	#endif
263	+
264		*entries=interfaces;
265
266		return network_stats;
267		}
268
269		long long transfer_diff(long long new, long long old){
270	<	#ifdef SOL7
271	<	#define MAXVAL 4294967296
270	>	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD)
271	>	#define MAXVAL 4294967296LL
272		#else
273	<	#define MAXVAL 18446744073709551616
273	>	#define MAXVAL 18446744073709551616LL
274		#endif
275		long long result;
276	<	if(new>old){
276	>	if(new>=old){
277		result = (new-old);
278		}else{
279		result = (MAXVAL+(new-old));
#	Line 207 | Line 283 | long long transfer_diff(long long new, long long old){
283
284		}
285
286	<	network_stat_t *get_network_stats_diff(int *entries){
287	<	static network_stat_t *network_stats_diff=NULL;
288	<	static int sizeof_net_stats_diff=0;
289	<	network_stat_t *network_stats_ptr, *network_stats_diff_ptr;
290	<	int ifaces, x, y;
286	>	network_stat_t *get_network_stats_diff(int *entries) {
287	>	static network_stat_t *diff = NULL;
288	>	static int diff_count = 0;
289	>	network_stat_t *src, *dest;
290	>	int i, j, new_count;
291
292	<	if(network_stats==NULL){
293	<	network_stats_ptr=get_network_stats(&ifaces);
294	<	*entries=ifaces;
219	<	return network_stats_ptr;
292	>	if (network_stats == NULL) {
293	>	/* No previous stats, so we can't calculate a difference. */
294	>	return get_network_stats(entries);
295		}
296
297	<	network_stats_diff=network_stat_malloc(interfaces, &sizeof_net_stats_diff, network_stats_diff);
298	<	if(network_stats_diff==NULL){
297	>	/* Resize the results array to match the previous stats. */
298	>	diff = network_stat_malloc(interfaces, &diff_count, diff);
299	>	if (diff == NULL) {
300		return NULL;
301		}
302
303	<	network_stats_ptr=network_stats;
304	<	network_stats_diff_ptr=network_stats_diff;
303	>	/* Copy the previous stats into the result. */
304	>	for (i = 0; i < diff_count; i++) {
305	>	src = &network_stats[i];
306	>	dest = &diff[i];
307
308	<	for(ifaces=0;ifaces<interfaces;ifaces++){
309	<	if(network_stats_diff_ptr->interface_name!=NULL){
232	<	free(network_stats_diff_ptr->interface_name);
308	>	if (dest->interface_name != NULL) {
309	>	free(dest->interface_name);
310		}
311	<	network_stats_diff_ptr->interface_name=strdup(network_stats_ptr->interface_name);
312	<	network_stats_diff_ptr->tx=network_stats_ptr->tx;
313	<	network_stats_diff_ptr->rx=network_stats_ptr->rx;
314	<	network_stats_diff_ptr->systime=network_stats->systime;
311	>	dest->interface_name = strdup(src->interface_name);
312	>	dest->rx = src->rx;
313	>	dest->tx = src->tx;
314	>	dest->systime = src->systime;
315	>	}
316
317	<	network_stats_ptr++;
318	<	network_stats_diff_ptr++;
317	>	/* Get a new set of stats. */
318	>	if (get_network_stats(&new_count) == NULL) {
319	>	return NULL;
320		}
242	–	network_stats_ptr=get_network_stats(&ifaces);
243	–	network_stats_diff_ptr=network_stats_diff;
321
322	<	for(x=0;x<sizeof_net_stats_diff;x++){
322	>	/* For each previous stat... */
323	>	for (i = 0; i < diff_count; i++) {
324	>	dest = &diff[i];
325
326	<	if((strcmp(network_stats_diff_ptr->interface_name, network_stats_ptr->interface_name))==0){
327	<	network_stats_diff_ptr->tx = transfer_diff(network_stats_ptr->tx, network_stats_diff_ptr->tx);
328	<	network_stats_diff_ptr->rx = transfer_diff(network_stats_ptr->rx, network_stats_diff_ptr->rx);
329	<	network_stats_diff_ptr->systime = network_stats_ptr->systime - network_stats_diff_ptr->systime;
326	>	/* ... find the corresponding new stat ... */
327	>	for (j = 0; j < new_count; j++) {
328	>	/* Try the new stat in the same position first,
329	>	since that's most likely to be it. */
330	>	src = &network_stats[(i + j) % new_count];
331	>	if (strcmp(src->interface_name, dest->interface_name) == 0) {
332	>	break;
333	>	}
334	>	}
335	>	if (j == new_count) {
336	>	/* No match found. */
337	>	continue;
338	>	}
339	>
340	>	/* ... and subtract the previous stat from it to get the
341	>	difference. */
342	>	dest->rx = transfer_diff(src->rx, dest->rx);
343	>	dest->tx = transfer_diff(src->tx, dest->tx);
344	>	dest->systime = src->systime - dest->systime;
345	>	}
346	>
347	>	*entries = diff_count;
348	>	return diff;
349	>	}
350	>	/* NETWORK INTERFACE STATS */
351	>
352	>	void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
353	>
354	>	for(net_stats+=start; start<end; start++){
355	>	net_stats->interface_name=NULL;
356	>	net_stats->speed=0;
357	>	net_stats->dup=UNKNOWN_DUPLEX;
358	>	net_stats++;
359	>	}
360	>	}
361	>
362	>	network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){
363	>
364	>	if(net_stats==NULL){
365	>
366	>	if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
367	>	return NULL;
368	>	}
369	>	network_iface_stat_init(0, needed_entries, net_stats);
370	>	*cur_entries=needed_entries;
371	>
372	>	return net_stats;
373	>	}
374	>
375	>
376	>	if(*cur_entries<needed_entries){
377	>	net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
378	>	if(net_stats==NULL){
379	>	return NULL;
380	>	}
381	>	network_iface_stat_init(*cur_entries, needed_entries, net_stats);
382	>	*cur_entries=needed_entries;
383	>	}
384	>
385	>	return net_stats;
386	>	}
387	>
388	>	network_iface_stat_t *get_network_iface_stats(int *entries){
389	>	static network_iface_stat_t *network_iface_stats;
390	>	network_iface_stat_t *network_iface_stat_ptr;
391	>	static int sizeof_network_iface_stats=0;
392	>	int ifaces = 0;
393	>
394	>	#ifdef SOLARIS
395	>	kstat_ctl_t *kc;
396	>	kstat_t *ksp;
397	>	kstat_named_t *knp;
398	>	int sock;
399	>	#endif
400	>	#ifdef ALLBSD
401	>	struct ifaddrs *net, *net_ptr;
402	>	struct ifmediareq ifmed;
403	>	struct ifreq ifr;
404	>	int sock;
405	>	int x;
406	>	#endif
407	>	#ifdef LINUX
408	>	FILE *f;
409	>	/* Horrible big enough, but it should be easily big enough */
410	>	char line[8096];
411	>	int sock;
412	>	#endif
413	>
414	>	#ifdef ALLBSD
415	>	if(getifaddrs(&net) != 0){
416	>	return NULL;
417	>	}
418	>
419	>	if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
420	>
421	>	for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
422	>	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
423	>	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
424	>	if(network_iface_stats==NULL){
425	>	return NULL;
426	>	}
427	>	network_iface_stat_ptr = network_iface_stats + ifaces;
428	>
429	>	memset(&ifr, 0, sizeof(ifr));
430	>	strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
431	>
432	>	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
433	>	continue;
434	>	}
435	>	if((ifr.ifr_flags & IFF_UP) != 0){
436	>	network_iface_stat_ptr->up = 1;
437		}else{
438	<
439	<	network_stats_ptr=network_stats;
440	<	for(y=0;y<ifaces;y++){
441	<	if((strcmp(network_stats_diff_ptr->interface_name, network_stats_ptr->interface_name))==0){
442	<	network_stats_diff_ptr->tx = transfer_diff(network_stats_ptr->tx, network_stats_diff_ptr->tx);
443	<	network_stats_diff_ptr->rx = transfer_diff(network_stats_ptr->rx, network_stats_diff_ptr->rx);
444	<	network_stats_diff_ptr->systime = network_stats_ptr->systime - network_stats_diff_ptr->systime;
438	>	network_iface_stat_ptr->up = 0;
439	>	}
440	>
441	>	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
442	>	network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
443	>	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
444	>
445	>	network_iface_stat_ptr->speed = 0;
446	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
447	>	ifaces++;
448	>
449	>	memset(&ifmed, 0, sizeof(struct ifmediareq));
450	>	strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
451	>	if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
452	>	/* Not all interfaces support the media ioctls. */
453	>	continue;
454	>	}
455	>
456	>	/* We may need to change this if we start doing wireless devices too */
457	>	if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
458	>	/* Not a ETHER device */
459	>	continue;
460	>	}
461	>
462	>	/* Only intrested in the first 4 bits)  - Assuming only ETHER devices */
463	>	x = ifmed.ifm_active & 0x0f;
464	>	switch(x){
465	>	/* 10 Mbit connections. Speedy :) */
466	>	case(IFM_10_T):
467	>	case(IFM_10_2):
468	>	case(IFM_10_5):
469	>	case(IFM_10_STP):
470	>	case(IFM_10_FL):
471	>	network_iface_stat_ptr->speed = 10;
472	>	break;
473	>	/* 100 Mbit conneections */
474	>	case(IFM_100_TX):
475	>	case(IFM_100_FX):
476	>	case(IFM_100_T4):
477	>	case(IFM_100_VG):
478	>	case(IFM_100_T2):
479	>	network_iface_stat_ptr->speed = 100;
480	>	break;
481	>	/* 1000 Mbit connections */
482	>	case(IFM_1000_SX):
483	>	case(IFM_1000_LX):
484	>	case(IFM_1000_CX):
485	>	#ifdef IFM_1000_TX
486	>	case(IFM_1000_TX): /* FreeBSD 4 and others? */
487	>	#endif
488	>	#ifdef IFM_1000_FX
489	>	case(IFM_1000_FX): /* FreeBSD 4 */
490	>	#endif
491	>	#ifdef IFM_1000_T
492	>	case(IFM_1000_T): /* FreeBSD 5 */
493	>	#endif
494	>	network_iface_stat_ptr->speed = 1000;
495	>	break;
496	>	/* We don't know what it is */
497	>	default:
498	>	network_iface_stat_ptr->speed = 0;
499	>	break;
500	>	}
501	>
502	>	if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
503	>	network_iface_stat_ptr->dup = FULL_DUPLEX;
504	>	}else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
505	>	network_iface_stat_ptr->dup = HALF_DUPLEX;
506	>	}else{
507	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
508	>	}
509	>
510	>	}
511	>	freeifaddrs(net);
512	>	close(sock);
513	>	#endif
514	>
515	>	#ifdef SOLARIS
516	>	if ((kc = kstat_open()) == NULL) {
517	>	return NULL;
518	>	}
519	>
520	>	if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
521	>	return NULL;
522	>	}
523	>
524	>	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
525	>	if (!strcmp(ksp->ks_class, "net")) {
526	>	struct ifreq ifr;
527	>
528	>	kstat_read(kc, ksp, NULL);
529	>
530	>	strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
531	>	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
532	>	/* Not a network interface. */
533	>	continue;
534	>	}
535	>
536	>	network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
537	>	if (network_iface_stats == NULL) {
538	>	return NULL;
539	>	}
540	>	network_iface_stat_ptr = network_iface_stats + ifaces;
541	>	ifaces++;
542	>
543	>	if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
544	>	network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
545	>	if (network_iface_stat_ptr->interface_name == NULL) return NULL;
546	>
547	>	if ((ifr.ifr_flags & IFF_UP) != 0) {
548	>	network_iface_stat_ptr->up = 1;
549	>	} else {
550	>	network_iface_stat_ptr->up = 1;
551	>	}
552	>
553	>	if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
554	>	network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
555	>	} else {
556	>	network_iface_stat_ptr->speed = 0;
557	>	}
558	>
559	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
560	>	if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
561	>	switch (knp->value.ui32) {
562	>	case 1:
563	>	network_iface_stat_ptr->dup = HALF_DUPLEX;
564		break;
565	+	case 2:
566	+	network_iface_stat_ptr->dup = FULL_DUPLEX;
567	+	break;
568		}
569	<
262	<	network_stats_ptr++;
263	<	}
569	>	}
570		}
571	+	}
572
573	<	network_stats_ptr++;
574	<	network_stats_diff_ptr++;
573	>	close(sock);
574	>	kstat_close(kc);
575	>	#endif
576	>	#ifdef LINUX
577	>	f = fopen("/proc/net/dev", "r");
578	>	if(f == NULL){
579	>	return NULL;
580	>	}
581	>
582	>	/* Setup stuff so we can do the ioctl to get the info */
583	>	if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
584	>	return NULL;
585		}
586
587	<	*entries=sizeof_net_stats_diff;
588	<	return network_stats_diff;
589	<	}
587	>	/* Ignore first 2 lines.. Just headings */
588	>	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
589	>	if((fgets(line, sizeof(line), f)) == NULL) return NULL;
590	>
591	>	while((fgets(line, sizeof(line), f)) != NULL){
592	>	char *name, *ptr;
593	>	struct ifreq ifr;
594	>	struct ethtool_cmd ethcmd;
595	>	int err;
596	>
597	>	/* Get the interface name */
598	>	ptr = strchr(line, ':');
599	>	if (ptr == NULL) continue;
600	>	*ptr='\0';
601	>	name = line;
602	>	while(isspace(*(name))){
603	>	name++;
604	>	}
605	>
606	>	memset(&ifr, 0, sizeof ifr);
607	>	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
608	>
609	>	if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
610	>	continue;
611	>	}
612	>
613	>	/* We have a good interface to add */
614	>	network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
615	>	if(network_iface_stats==NULL){
616	>	return NULL;
617	>	}
618	>	network_iface_stat_ptr = network_iface_stats + ifaces;
619	>	network_iface_stat_ptr->interface_name = strdup(name);
620	>	if ((ifr.ifr_flags & IFF_UP) != 0) {
621	>	network_iface_stat_ptr->up = 1;
622	>	} else {
623	>	network_iface_stat_ptr->up = 0;
624	>	}
625	>
626	>	memset(&ethcmd, 0, sizeof ethcmd);
627	>	ethcmd.cmd = ETHTOOL_GSET;
628	>	ifr.ifr_data = (caddr_t) &ethcmd;
629	>
630	>	err = ioctl(sock, SIOCETHTOOL, &ifr);
631	>	if (err == 0) {
632	>	network_iface_stat_ptr->speed = ethcmd.speed;
633	>
634	>	switch (ethcmd.duplex) {
635	>	case 0x00:
636	>	network_iface_stat_ptr->dup = FULL_DUPLEX;
637	>	break;
638	>	case 0x01:
639	>	network_iface_stat_ptr->dup = HALF_DUPLEX;
640	>	break;
641	>	default:
642	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
643	>	}
644	>	} else {
645	>	/* Not all interfaces support the ethtool ioctl. */
646	>	network_iface_stat_ptr->speed = 0;
647	>	network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
648	>	}
649	>
650	>	ifaces++;
651	>	}
652	>	close(sock);
653	>	fclose(f);
654	>	#endif
655	>	*entries = ifaces;
656	>	return network_iface_stats;
657	>	}
658

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