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root/i-scream/projects/libstatgrab/src/libstatgrab/network_stats.c
Revision: 1.58
Committed: Sun Apr 4 21:54:48 2004 UTC (20 years, 1 month ago) by tdb
Content type: text/plain
Branch: MAIN
Changes since 1.57: +2 -1 lines
Log Message:
Fix a bunch of warnings.

File Contents

# Content
1 /*
2 * i-scream central monitoring system
3 * http://www.i-scream.org
4 * Copyright (C) 2000-2004 i-scream
5 *
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 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 GNU
14 * Lesser General Public License for more details.
15 *
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: network_stats.c,v 1.57 2004/04/04 21:38:50 ats Exp $
22 */
23
24 #ifdef HAVE_CONFIG_H
25 #include "config.h"
26 #endif
27
28 #include <stdlib.h>
29 #include <string.h>
30 #include "statgrab.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 #include <unistd.h>
70 #endif
71
72 static network_stat_t *network_stats=NULL;
73 static int interfaces=0;
74
75 void network_stat_init(int start, int end, network_stat_t *net_stats){
76
77 for(net_stats+=start; start<end; start++){
78 net_stats->interface_name=NULL;
79 net_stats->tx=0;
80 net_stats->rx=0;
81 net_stats->ipackets=0;
82 net_stats->opackets=0;
83 net_stats->ierrors=0;
84 net_stats->oerrors=0;
85 net_stats->collisions=0;
86 net_stats++;
87 }
88 }
89
90 network_stat_t *network_stat_malloc(int needed_entries, int *cur_entries, network_stat_t *net_stats){
91
92 if(net_stats==NULL){
93
94 if((net_stats=malloc(needed_entries * sizeof(network_stat_t)))==NULL){
95 return NULL;
96 }
97 network_stat_init(0, needed_entries, net_stats);
98 *cur_entries=needed_entries;
99
100 return net_stats;
101 }
102
103
104 if(*cur_entries<needed_entries){
105 net_stats=realloc(net_stats, (sizeof(network_stat_t)*needed_entries));
106 if(net_stats==NULL){
107 return NULL;
108 }
109 network_stat_init(*cur_entries, needed_entries, net_stats);
110 *cur_entries=needed_entries;
111 }
112
113 return net_stats;
114 }
115
116
117 network_stat_t *get_network_stats(int *entries){
118
119 static int sizeof_network_stats=0;
120 network_stat_t *network_stat_ptr;
121
122 #ifdef SOLARIS
123 kstat_ctl_t *kc;
124 kstat_t *ksp;
125 kstat_named_t *knp;
126 #endif
127
128 #ifdef LINUX
129 FILE *f;
130 /* Horrible big enough, but it should be easily big enough */
131 char line[8096];
132 regex_t regex;
133 regmatch_t line_match[9];
134 #endif
135 #ifdef ALLBSD
136 struct ifaddrs *net, *net_ptr;
137 struct if_data *net_data;
138 #endif
139
140 #ifdef ALLBSD
141 if(getifaddrs(&net) != 0){
142 return NULL;
143 }
144
145 interfaces=0;
146
147 for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
148 if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
149 network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
150 if(network_stats==NULL){
151 return NULL;
152 }
153 network_stat_ptr=network_stats+interfaces;
154
155 if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name);
156 network_stat_ptr->interface_name=strdup(net_ptr->ifa_name);
157 if(network_stat_ptr->interface_name==NULL) return NULL;
158 net_data=(struct if_data *)net_ptr->ifa_data;
159 network_stat_ptr->rx=net_data->ifi_ibytes;
160 network_stat_ptr->tx=net_data->ifi_obytes;
161 network_stat_ptr->ipackets=net_data->ifi_ipackets;
162 network_stat_ptr->opackets=net_data->ifi_opackets;
163 network_stat_ptr->ierrors=net_data->ifi_ierrors;
164 network_stat_ptr->oerrors=net_data->ifi_oerrors;
165 network_stat_ptr->collisions=net_data->ifi_collisions;
166 network_stat_ptr->systime=time(NULL);
167 interfaces++;
168 }
169 freeifaddrs(net);
170 #endif
171
172 #ifdef SOLARIS
173 if ((kc = kstat_open()) == NULL) {
174 return NULL;
175 }
176
177 interfaces=0;
178
179 for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
180 if (!strcmp(ksp->ks_class, "net")) {
181 kstat_read(kc, ksp, NULL);
182
183 #ifdef SOL7
184 #define LRX "rbytes"
185 #define LTX "obytes"
186 #define LIPACKETS "ipackets"
187 #define LOPACKETS "opackets"
188 #define VALTYPE value.ui32
189 #else
190 #define LRX "rbytes64"
191 #define LTX "obytes64"
192 #define LIPACKETS "ipackets64"
193 #define LOPACKETS "opackets64"
194 #define VALTYPE value.ui64
195 #endif
196
197 /* Read rx */
198 if((knp=kstat_data_lookup(ksp, LRX))==NULL){
199 /* This is a network interface, but it doesn't
200 * have the rbytes/obytes values; for instance,
201 * the loopback devices have this behaviour
202 * (although they do track packets in/out). */
203 /* FIXME: Show packet counts when byte counts
204 * not available. */
205 continue;
206 }
207
208 /* Create new network_stats */
209 network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
210 if(network_stats==NULL){
211 return NULL;
212 }
213 network_stat_ptr=network_stats+interfaces;
214
215 /* Finish reading rx */
216 network_stat_ptr->rx=knp->VALTYPE;
217
218 /* Read tx */
219 if((knp=kstat_data_lookup(ksp, LTX))==NULL){
220 continue;
221 }
222 network_stat_ptr->tx=knp->VALTYPE;
223
224 /* Read ipackets */
225 if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){
226 continue;
227 }
228 network_stat_ptr->ipackets=knp->VALTYPE;
229
230 /* Read opackets */
231 if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){
232 continue;
233 }
234 network_stat_ptr->opackets=knp->VALTYPE;
235
236 /* Read ierrors */
237 if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){
238 continue;
239 }
240 network_stat_ptr->ierrors=knp->value.ui32;
241
242 /* Read oerrors */
243 if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){
244 continue;
245 }
246 network_stat_ptr->oerrors=knp->value.ui32;
247
248 /* Read collisions */
249 if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){
250 continue;
251 }
252 network_stat_ptr->collisions=knp->value.ui32;
253
254 /* Read interface name */
255 if(network_stat_ptr->interface_name!=NULL){
256 free(network_stat_ptr->interface_name);
257 }
258 network_stat_ptr->interface_name=strdup(ksp->ks_name);
259
260 /* Store systime */
261 network_stat_ptr->systime=time(NULL);
262
263 interfaces++;
264 }
265 }
266
267 kstat_close(kc);
268 #endif
269 #ifdef LINUX
270 f=fopen("/proc/net/dev", "r");
271 if(f==NULL){
272 return NULL;
273 }
274 /* read the 2 lines.. Its the title, so we dont care :) */
275 fgets(line, sizeof(line), f);
276 fgets(line, sizeof(line), f);
277
278
279 if((regcomp(&regex, "^ *([^:]+): *([0-9]+) +([0-9]+) +([0-9]+) +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +([0-9]+) +([0-9]+) +([0-9]+) +[0-9]+ +[0-9]+ +([0-9]+)", REG_EXTENDED))!=0){
280 return NULL;
281 }
282
283 interfaces=0;
284
285 while((fgets(line, sizeof(line), f)) != NULL){
286 if((regexec(&regex, line, 9, line_match, 0))!=0){
287 continue;
288 }
289 network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
290 if(network_stats==NULL){
291 return NULL;
292 }
293 network_stat_ptr=network_stats+interfaces;
294
295 if(network_stat_ptr->interface_name!=NULL){
296 free(network_stat_ptr->interface_name);
297 }
298
299 network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
300 network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
301 network_stat_ptr->tx=get_ll_match(line, &line_match[5]);
302 network_stat_ptr->ipackets=get_ll_match(line, &line_match[3]);
303 network_stat_ptr->opackets=get_ll_match(line, &line_match[6]);
304 network_stat_ptr->ierrors=get_ll_match(line, &line_match[4]);
305 network_stat_ptr->oerrors=get_ll_match(line, &line_match[7]);
306 network_stat_ptr->collisions=get_ll_match(line, &line_match[8]);
307 network_stat_ptr->systime=time(NULL);
308
309 interfaces++;
310 }
311 fclose(f);
312 regfree(&regex);
313
314 #endif
315
316 #ifdef CYGWIN
317 return NULL;
318 #endif
319
320 *entries=interfaces;
321
322 return network_stats;
323 }
324
325 long long transfer_diff(long long new, long long old){
326 #if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD) || defined(OPENBSD)
327 /* 32-bit quantities, so we must explicitly deal with wraparound. */
328 #define MAXVAL 0x100000000LL
329 if (new >= old) {
330 return new - old;
331 } else {
332 return MAXVAL + new - old;
333 }
334 #else
335 /* 64-bit quantities, so plain subtraction works. */
336 return new - old;
337 #endif
338 }
339
340 network_stat_t *get_network_stats_diff(int *entries) {
341 static network_stat_t *diff = NULL;
342 static int diff_count = 0;
343 network_stat_t *src = NULL, *dest;
344 int i, j, new_count;
345
346 if (network_stats == NULL) {
347 /* No previous stats, so we can't calculate a difference. */
348 return get_network_stats(entries);
349 }
350
351 /* Resize the results array to match the previous stats. */
352 diff = network_stat_malloc(interfaces, &diff_count, diff);
353 if (diff == NULL) {
354 return NULL;
355 }
356
357 /* Copy the previous stats into the result. */
358 for (i = 0; i < diff_count; i++) {
359 src = &network_stats[i];
360 dest = &diff[i];
361
362 if (dest->interface_name != NULL) {
363 free(dest->interface_name);
364 }
365 dest->interface_name = strdup(src->interface_name);
366 dest->rx = src->rx;
367 dest->tx = src->tx;
368 dest->ipackets = src->ipackets;
369 dest->opackets = src->opackets;
370 dest->ierrors = src->ierrors;
371 dest->oerrors = src->oerrors;
372 dest->collisions = src->collisions;
373 dest->systime = src->systime;
374 }
375
376 /* Get a new set of stats. */
377 if (get_network_stats(&new_count) == NULL) {
378 return NULL;
379 }
380
381 /* For each previous stat... */
382 for (i = 0; i < diff_count; i++) {
383 dest = &diff[i];
384
385 /* ... find the corresponding new stat ... */
386 for (j = 0; j < new_count; j++) {
387 /* Try the new stat in the same position first,
388 since that's most likely to be it. */
389 src = &network_stats[(i + j) % new_count];
390 if (strcmp(src->interface_name, dest->interface_name) == 0) {
391 break;
392 }
393 }
394 if (j == new_count) {
395 /* No match found. */
396 continue;
397 }
398
399 /* ... and subtract the previous stat from it to get the
400 difference. */
401 dest->rx = transfer_diff(src->rx, dest->rx);
402 dest->tx = transfer_diff(src->tx, dest->tx);
403 dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
404 dest->opackets = transfer_diff(src->opackets, dest->opackets);
405 dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
406 dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
407 dest->collisions = transfer_diff(src->collisions, dest->collisions);
408 dest->systime = src->systime - dest->systime;
409 }
410
411 *entries = diff_count;
412 return diff;
413 }
414 /* NETWORK INTERFACE STATS */
415
416 void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
417
418 for(net_stats+=start; start<end; start++){
419 net_stats->interface_name=NULL;
420 net_stats->speed=0;
421 net_stats->dup=UNKNOWN_DUPLEX;
422 net_stats++;
423 }
424 }
425
426 network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){
427
428 if(net_stats==NULL){
429
430 if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
431 return NULL;
432 }
433 network_iface_stat_init(0, needed_entries, net_stats);
434 *cur_entries=needed_entries;
435
436 return net_stats;
437 }
438
439
440 if(*cur_entries<needed_entries){
441 net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
442 if(net_stats==NULL){
443 return NULL;
444 }
445 network_iface_stat_init(*cur_entries, needed_entries, net_stats);
446 *cur_entries=needed_entries;
447 }
448
449 return net_stats;
450 }
451
452 network_iface_stat_t *get_network_iface_stats(int *entries){
453 static network_iface_stat_t *network_iface_stats;
454 network_iface_stat_t *network_iface_stat_ptr;
455 static int sizeof_network_iface_stats=0;
456 int ifaces = 0;
457
458 #ifdef SOLARIS
459 kstat_ctl_t *kc;
460 kstat_t *ksp;
461 kstat_named_t *knp;
462 int sock;
463 #endif
464 #ifdef ALLBSD
465 struct ifaddrs *net, *net_ptr;
466 struct ifmediareq ifmed;
467 struct ifreq ifr;
468 int sock;
469 int x;
470 #endif
471 #ifdef LINUX
472 FILE *f;
473 /* Horrible big enough, but it should be easily big enough */
474 char line[8096];
475 int sock;
476 #endif
477
478 #ifdef ALLBSD
479 if(getifaddrs(&net) != 0){
480 return NULL;
481 }
482
483 if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
484
485 for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
486 if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
487 network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
488 if(network_iface_stats==NULL){
489 return NULL;
490 }
491 network_iface_stat_ptr = network_iface_stats + ifaces;
492
493 memset(&ifr, 0, sizeof(ifr));
494 strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
495
496 if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
497 continue;
498 }
499 if((ifr.ifr_flags & IFF_UP) != 0){
500 network_iface_stat_ptr->up = 1;
501 }else{
502 network_iface_stat_ptr->up = 0;
503 }
504
505 if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
506 network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
507 if (network_iface_stat_ptr->interface_name == NULL) return NULL;
508
509 network_iface_stat_ptr->speed = 0;
510 network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
511 ifaces++;
512
513 memset(&ifmed, 0, sizeof(struct ifmediareq));
514 strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
515 if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
516 /* Not all interfaces support the media ioctls. */
517 continue;
518 }
519
520 /* We may need to change this if we start doing wireless devices too */
521 if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
522 /* Not a ETHER device */
523 continue;
524 }
525
526 /* Only intrested in the first 4 bits) - Assuming only ETHER devices */
527 x = ifmed.ifm_active & 0x0f;
528 switch(x){
529 /* 10 Mbit connections. Speedy :) */
530 case(IFM_10_T):
531 case(IFM_10_2):
532 case(IFM_10_5):
533 case(IFM_10_STP):
534 case(IFM_10_FL):
535 network_iface_stat_ptr->speed = 10;
536 break;
537 /* 100 Mbit conneections */
538 case(IFM_100_TX):
539 case(IFM_100_FX):
540 case(IFM_100_T4):
541 case(IFM_100_VG):
542 case(IFM_100_T2):
543 network_iface_stat_ptr->speed = 100;
544 break;
545 /* 1000 Mbit connections */
546 case(IFM_1000_SX):
547 case(IFM_1000_LX):
548 case(IFM_1000_CX):
549 #if defined(IFM_1000_TX) && !defined(OPENBSD)
550 case(IFM_1000_TX): /* FreeBSD 4 and others (but NOT OpenBSD)? */
551 #endif
552 #ifdef IFM_1000_FX
553 case(IFM_1000_FX): /* FreeBSD 4 */
554 #endif
555 #ifdef IFM_1000_T
556 case(IFM_1000_T): /* FreeBSD 5 */
557 #endif
558 network_iface_stat_ptr->speed = 1000;
559 break;
560 /* We don't know what it is */
561 default:
562 network_iface_stat_ptr->speed = 0;
563 break;
564 }
565
566 if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
567 network_iface_stat_ptr->dup = FULL_DUPLEX;
568 }else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
569 network_iface_stat_ptr->dup = HALF_DUPLEX;
570 }else{
571 network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
572 }
573
574 }
575 freeifaddrs(net);
576 close(sock);
577 #endif
578
579 #ifdef SOLARIS
580 if ((kc = kstat_open()) == NULL) {
581 return NULL;
582 }
583
584 if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
585 return NULL;
586 }
587
588 for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
589 if (!strcmp(ksp->ks_class, "net")) {
590 struct ifreq ifr;
591
592 kstat_read(kc, ksp, NULL);
593
594 strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
595 if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
596 /* Not a network interface. */
597 continue;
598 }
599
600 network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
601 if (network_iface_stats == NULL) {
602 return NULL;
603 }
604 network_iface_stat_ptr = network_iface_stats + ifaces;
605 ifaces++;
606
607 if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
608 network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
609 if (network_iface_stat_ptr->interface_name == NULL) return NULL;
610
611 if ((ifr.ifr_flags & IFF_UP) != 0) {
612 network_iface_stat_ptr->up = 1;
613 } else {
614 network_iface_stat_ptr->up = 1;
615 }
616
617 if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
618 network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
619 } else {
620 network_iface_stat_ptr->speed = 0;
621 }
622
623 network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
624 if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
625 switch (knp->value.ui32) {
626 case 1:
627 network_iface_stat_ptr->dup = HALF_DUPLEX;
628 break;
629 case 2:
630 network_iface_stat_ptr->dup = FULL_DUPLEX;
631 break;
632 }
633 }
634 }
635 }
636
637 close(sock);
638 kstat_close(kc);
639 #endif
640 #ifdef LINUX
641 f = fopen("/proc/net/dev", "r");
642 if(f == NULL){
643 return NULL;
644 }
645
646 /* Setup stuff so we can do the ioctl to get the info */
647 if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
648 return NULL;
649 }
650
651 /* Ignore first 2 lines.. Just headings */
652 if((fgets(line, sizeof(line), f)) == NULL) return NULL;
653 if((fgets(line, sizeof(line), f)) == NULL) return NULL;
654
655 while((fgets(line, sizeof(line), f)) != NULL){
656 char *name, *ptr;
657 struct ifreq ifr;
658 struct ethtool_cmd ethcmd;
659 int err;
660
661 /* Get the interface name */
662 ptr = strchr(line, ':');
663 if (ptr == NULL) continue;
664 *ptr='\0';
665 name = line;
666 while(isspace(*(name))){
667 name++;
668 }
669
670 memset(&ifr, 0, sizeof ifr);
671 strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
672
673 if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
674 continue;
675 }
676
677 /* We have a good interface to add */
678 network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
679 if(network_iface_stats==NULL){
680 return NULL;
681 }
682 network_iface_stat_ptr = network_iface_stats + ifaces;
683 network_iface_stat_ptr->interface_name = strdup(name);
684 if ((ifr.ifr_flags & IFF_UP) != 0) {
685 network_iface_stat_ptr->up = 1;
686 } else {
687 network_iface_stat_ptr->up = 0;
688 }
689
690 memset(&ethcmd, 0, sizeof ethcmd);
691 ethcmd.cmd = ETHTOOL_GSET;
692 ifr.ifr_data = (caddr_t) &ethcmd;
693
694 err = ioctl(sock, SIOCETHTOOL, &ifr);
695 if (err == 0) {
696 network_iface_stat_ptr->speed = ethcmd.speed;
697
698 switch (ethcmd.duplex) {
699 case 0x00:
700 network_iface_stat_ptr->dup = FULL_DUPLEX;
701 break;
702 case 0x01:
703 network_iface_stat_ptr->dup = HALF_DUPLEX;
704 break;
705 default:
706 network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
707 }
708 } else {
709 /* Not all interfaces support the ethtool ioctl. */
710 network_iface_stat_ptr->speed = 0;
711 network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
712 }
713
714 ifaces++;
715 }
716 close(sock);
717 fclose(f);
718 #endif
719 *entries = ifaces;
720 return network_iface_stats;
721 }
722