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root/i-scream/projects/libstatgrab/src/libstatgrab/network_stats.c
Revision: 1.53
Committed: Mon Mar 8 12:31:01 2004 UTC (20 years, 2 months ago) by tdb
Content type: text/plain
Branch: MAIN
Changes since 1.52: +50 -7 lines
Log Message:
Add support for new network stats on Solaris. Please check this change cos
this is the first time I've coded Solaris stuff :-)

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 1.52 2004/03/08 11:58:53 tdb 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 #endif
70
71 static network_stat_t *network_stats=NULL;
72 static int interfaces=0;
73
74 void network_stat_init(int start, int end, network_stat_t *net_stats){
75
76 for(net_stats+=start; start<end; start++){
77 net_stats->interface_name=NULL;
78 net_stats->tx=0;
79 net_stats->rx=0;
80 net_stats->ipackets=0;
81 net_stats->opackets=0;
82 net_stats->ierrors=0;
83 net_stats->oerrors=0;
84 net_stats->collisions=0;
85 net_stats++;
86 }
87 }
88
89 network_stat_t *network_stat_malloc(int needed_entries, int *cur_entries, network_stat_t *net_stats){
90
91 if(net_stats==NULL){
92
93 if((net_stats=malloc(needed_entries * sizeof(network_stat_t)))==NULL){
94 return NULL;
95 }
96 network_stat_init(0, needed_entries, net_stats);
97 *cur_entries=needed_entries;
98
99 return net_stats;
100 }
101
102
103 if(*cur_entries<needed_entries){
104 net_stats=realloc(net_stats, (sizeof(network_stat_t)*needed_entries));
105 if(net_stats==NULL){
106 return NULL;
107 }
108 network_stat_init(*cur_entries, needed_entries, net_stats);
109 *cur_entries=needed_entries;
110 }
111
112 return net_stats;
113 }
114
115
116 network_stat_t *get_network_stats(int *entries){
117
118 static int sizeof_network_stats=0;
119 network_stat_t *network_stat_ptr;
120
121 #ifdef SOLARIS
122 kstat_ctl_t *kc;
123 kstat_t *ksp;
124 kstat_named_t *knp;
125 #endif
126
127 #ifdef LINUX
128 FILE *f;
129 /* Horrible big enough, but it should be easily big enough */
130 char line[8096];
131 regex_t regex;
132 regmatch_t line_match[9];
133 #endif
134 #ifdef ALLBSD
135 struct ifaddrs *net, *net_ptr;
136 struct if_data *net_data;
137 #endif
138
139 #ifdef ALLBSD
140 if(getifaddrs(&net) != 0){
141 return NULL;
142 }
143
144 interfaces=0;
145
146 for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
147 if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
148 network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
149 if(network_stats==NULL){
150 return NULL;
151 }
152 network_stat_ptr=network_stats+interfaces;
153
154 if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name);
155 network_stat_ptr->interface_name=strdup(net_ptr->ifa_name);
156 if(network_stat_ptr->interface_name==NULL) return NULL;
157 net_data=(struct if_data *)net_ptr->ifa_data;
158 network_stat_ptr->rx=net_data->ifi_ibytes;
159 network_stat_ptr->tx=net_data->ifi_obytes;
160 network_stat_ptr->ipackets=net_data->ifi_ipackets;
161 network_stat_ptr->opackets=net_data->ifi_opackets;
162 network_stat_ptr->ierrors=net_data->ifi_ierrors;
163 network_stat_ptr->oerrors=net_data->ifi_oerrors;
164 network_stat_ptr->collisions=net_data->ifi_collisions;
165 network_stat_ptr->systime=time(NULL);
166 interfaces++;
167 }
168 freeifaddrs(net);
169 #endif
170
171 #ifdef SOLARIS
172 if ((kc = kstat_open()) == NULL) {
173 return NULL;
174 }
175
176 interfaces=0;
177
178 for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
179 if (!strcmp(ksp->ks_class, "net")) {
180 kstat_read(kc, ksp, NULL);
181
182 #ifdef SOL7
183 #define LRX "rbytes"
184 #define LTX "obytes"
185 #define LIPACKETS "ipackets"
186 #define LOPACKETS "opackets"
187 #define VALTYPE value.ui32
188 #else
189 #define LRX "rbytes64"
190 #define LTX "obytes64"
191 #define LIPACKETS "ipackets64"
192 #define LOPACKETS "opackets64"
193 #define VALTYPE value.ui64
194 #endif
195
196 /* Read rx */
197 if((knp=kstat_data_lookup(ksp, LRX))==NULL){
198 /* This is a network interface, but it doesn't
199 * have the rbytes/obytes values; for instance,
200 * the loopback devices have this behaviour
201 * (although they do track packets in/out). */
202 continue;
203 }
204
205 /* Create new network_stats */
206 network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
207 if(network_stats==NULL){
208 return NULL;
209 }
210 network_stat_ptr=network_stats+interfaces;
211
212 /* Finish reading rx */
213 network_stat_ptr->rx=knp->VALTYPE;
214
215 /* Read tx */
216 if((knp=kstat_data_lookup(ksp, LTX))==NULL){
217 continue;
218 }
219 network_stat_ptr->tx=knp->VALTYPE;
220
221 /* Read ipackets */
222 if((knp=kstat_data_lookup(ksp, LIPACKETS))==NULL){
223 continue;
224 }
225 network_stat_ptr->ipackets=knp->VALTYPE;
226
227 /* Read opackets */
228 if((knp=kstat_data_lookup(ksp, LOPACKETS))==NULL){
229 continue;
230 }
231 network_stat_ptr->opackets=knp->VALTYPE;
232
233 /* Read ierrors */
234 if((knp=kstat_data_lookup(ksp, "ierrors"))==NULL){
235 continue;
236 }
237 network_stat_ptr->ierrors=knp->value.ui32;
238
239 /* Read oerrors */
240 if((knp=kstat_data_lookup(ksp, "oerrors"))==NULL){
241 continue;
242 }
243 network_stat_ptr->oerrors=knp->value.ui32;
244
245 /* Read collisions */
246 if((knp=kstat_data_lookup(ksp, "collisions"))==NULL){
247 continue;
248 }
249 network_stat_ptr->collisions=knp->value.ui32;
250
251 /* Read interface name */
252 if(network_stat_ptr->interface_name!=NULL){
253 free(network_stat_ptr->interface_name);
254 }
255 network_stat_ptr->interface_name=strdup(ksp->ks_name);
256
257 /* Store systime */
258 network_stat_ptr->systime=time(NULL);
259
260 interfaces++;
261 }
262 }
263
264 kstat_close(kc);
265 #endif
266 #ifdef LINUX
267 f=fopen("/proc/net/dev", "r");
268 if(f==NULL){
269 return NULL;
270 }
271 /* read the 2 lines.. Its the title, so we dont care :) */
272 fgets(line, sizeof(line), f);
273 fgets(line, sizeof(line), f);
274
275
276 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){
277 return NULL;
278 }
279
280 interfaces=0;
281
282 while((fgets(line, sizeof(line), f)) != NULL){
283 if((regexec(&regex, line, 9, line_match, 0))!=0){
284 continue;
285 }
286 network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
287 if(network_stats==NULL){
288 return NULL;
289 }
290 network_stat_ptr=network_stats+interfaces;
291
292 if(network_stat_ptr->interface_name!=NULL){
293 free(network_stat_ptr->interface_name);
294 }
295
296 network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
297 network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
298 network_stat_ptr->tx=get_ll_match(line, &line_match[5]);
299 network_stat_ptr->ipackets=get_ll_match(line, &line_match[3]);
300 network_stat_ptr->opackets=get_ll_match(line, &line_match[6]);
301 network_stat_ptr->ierrors=get_ll_match(line, &line_match[4]);
302 network_stat_ptr->oerrors=get_ll_match(line, &line_match[7]);
303 network_stat_ptr->collisions=get_ll_match(line, &line_match[8]);
304 network_stat_ptr->systime=time(NULL);
305
306 interfaces++;
307 }
308 fclose(f);
309 regfree(&regex);
310
311 #endif
312
313 #ifdef CYGWIN
314 return NULL;
315 #endif
316
317 *entries=interfaces;
318
319 return network_stats;
320 }
321
322 long long transfer_diff(long long new, long long old){
323 #if defined(SOL7) || defined(LINUX) || defined(FREEBSD) || defined(DFBSD)
324 #define MAXVAL 0xffffffffLL
325 #else
326 #define MAXVAL 0xffffffffffffffffLL
327 #endif
328 long long result;
329 if(new>=old){
330 result = (new-old);
331 }else{
332 result = (MAXVAL+(new-old));
333 }
334
335 return result;
336
337 }
338
339 network_stat_t *get_network_stats_diff(int *entries) {
340 static network_stat_t *diff = NULL;
341 static int diff_count = 0;
342 network_stat_t *src, *dest;
343 int i, j, new_count;
344
345 if (network_stats == NULL) {
346 /* No previous stats, so we can't calculate a difference. */
347 return get_network_stats(entries);
348 }
349
350 /* Resize the results array to match the previous stats. */
351 diff = network_stat_malloc(interfaces, &diff_count, diff);
352 if (diff == NULL) {
353 return NULL;
354 }
355
356 /* Copy the previous stats into the result. */
357 for (i = 0; i < diff_count; i++) {
358 src = &network_stats[i];
359 dest = &diff[i];
360
361 if (dest->interface_name != NULL) {
362 free(dest->interface_name);
363 }
364 dest->interface_name = strdup(src->interface_name);
365 dest->rx = src->rx;
366 dest->tx = src->tx;
367 dest->ipackets = src->ipackets;
368 dest->opackets = src->opackets;
369 dest->ierrors = src->ierrors;
370 dest->oerrors = src->oerrors;
371 dest->collisions = src->collisions;
372 dest->systime = src->systime;
373 }
374
375 /* Get a new set of stats. */
376 if (get_network_stats(&new_count) == NULL) {
377 return NULL;
378 }
379
380 /* For each previous stat... */
381 for (i = 0; i < diff_count; i++) {
382 dest = &diff[i];
383
384 /* ... find the corresponding new stat ... */
385 for (j = 0; j < new_count; j++) {
386 /* Try the new stat in the same position first,
387 since that's most likely to be it. */
388 src = &network_stats[(i + j) % new_count];
389 if (strcmp(src->interface_name, dest->interface_name) == 0) {
390 break;
391 }
392 }
393 if (j == new_count) {
394 /* No match found. */
395 continue;
396 }
397
398 /* ... and subtract the previous stat from it to get the
399 difference. */
400 dest->rx = transfer_diff(src->rx, dest->rx);
401 dest->tx = transfer_diff(src->tx, dest->tx);
402 dest->ipackets = transfer_diff(src->ipackets, dest->ipackets);
403 dest->opackets = transfer_diff(src->opackets, dest->opackets);
404 dest->ierrors = transfer_diff(src->ierrors, dest->ierrors);
405 dest->oerrors = transfer_diff(src->oerrors, dest->oerrors);
406 dest->collisions = transfer_diff(src->collisions, dest->collisions);
407 dest->systime = src->systime - dest->systime;
408 }
409
410 *entries = diff_count;
411 return diff;
412 }
413 /* NETWORK INTERFACE STATS */
414
415 void network_iface_stat_init(int start, int end, network_iface_stat_t *net_stats){
416
417 for(net_stats+=start; start<end; start++){
418 net_stats->interface_name=NULL;
419 net_stats->speed=0;
420 net_stats->dup=UNKNOWN_DUPLEX;
421 net_stats++;
422 }
423 }
424
425 network_iface_stat_t *network_iface_stat_malloc(int needed_entries, int *cur_entries, network_iface_stat_t *net_stats){
426
427 if(net_stats==NULL){
428
429 if((net_stats=malloc(needed_entries * sizeof(network_iface_stat_t)))==NULL){
430 return NULL;
431 }
432 network_iface_stat_init(0, needed_entries, net_stats);
433 *cur_entries=needed_entries;
434
435 return net_stats;
436 }
437
438
439 if(*cur_entries<needed_entries){
440 net_stats=realloc(net_stats, (sizeof(network_iface_stat_t)*needed_entries));
441 if(net_stats==NULL){
442 return NULL;
443 }
444 network_iface_stat_init(*cur_entries, needed_entries, net_stats);
445 *cur_entries=needed_entries;
446 }
447
448 return net_stats;
449 }
450
451 network_iface_stat_t *get_network_iface_stats(int *entries){
452 static network_iface_stat_t *network_iface_stats;
453 network_iface_stat_t *network_iface_stat_ptr;
454 static int sizeof_network_iface_stats=0;
455 int ifaces = 0;
456
457 #ifdef SOLARIS
458 kstat_ctl_t *kc;
459 kstat_t *ksp;
460 kstat_named_t *knp;
461 int sock;
462 #endif
463 #ifdef ALLBSD
464 struct ifaddrs *net, *net_ptr;
465 struct ifmediareq ifmed;
466 struct ifreq ifr;
467 int sock;
468 int x;
469 #endif
470 #ifdef LINUX
471 FILE *f;
472 /* Horrible big enough, but it should be easily big enough */
473 char line[8096];
474 int sock;
475 #endif
476
477 #ifdef ALLBSD
478 if(getifaddrs(&net) != 0){
479 return NULL;
480 }
481
482 if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return NULL;
483
484 for(net_ptr=net; net_ptr!=NULL; net_ptr=net_ptr->ifa_next){
485 if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
486 network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
487 if(network_iface_stats==NULL){
488 return NULL;
489 }
490 network_iface_stat_ptr = network_iface_stats + ifaces;
491
492 memset(&ifr, 0, sizeof(ifr));
493 strncpy(ifr.ifr_name, net_ptr->ifa_name, sizeof(ifr.ifr_name));
494
495 if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0){
496 continue;
497 }
498 if((ifr.ifr_flags & IFF_UP) != 0){
499 network_iface_stat_ptr->up = 1;
500 }else{
501 network_iface_stat_ptr->up = 0;
502 }
503
504 if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
505 network_iface_stat_ptr->interface_name = strdup(net_ptr->ifa_name);
506 if (network_iface_stat_ptr->interface_name == NULL) return NULL;
507
508 network_iface_stat_ptr->speed = 0;
509 network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
510 ifaces++;
511
512 memset(&ifmed, 0, sizeof(struct ifmediareq));
513 strlcpy(ifmed.ifm_name, net_ptr->ifa_name, sizeof(ifmed.ifm_name));
514 if(ioctl(sock, SIOCGIFMEDIA, (caddr_t)&ifmed) == -1){
515 /* Not all interfaces support the media ioctls. */
516 continue;
517 }
518
519 /* We may need to change this if we start doing wireless devices too */
520 if( (ifmed.ifm_active | IFM_ETHER) != ifmed.ifm_active ){
521 /* Not a ETHER device */
522 continue;
523 }
524
525 /* Only intrested in the first 4 bits) - Assuming only ETHER devices */
526 x = ifmed.ifm_active & 0x0f;
527 switch(x){
528 /* 10 Mbit connections. Speedy :) */
529 case(IFM_10_T):
530 case(IFM_10_2):
531 case(IFM_10_5):
532 case(IFM_10_STP):
533 case(IFM_10_FL):
534 network_iface_stat_ptr->speed = 10;
535 break;
536 /* 100 Mbit conneections */
537 case(IFM_100_TX):
538 case(IFM_100_FX):
539 case(IFM_100_T4):
540 case(IFM_100_VG):
541 case(IFM_100_T2):
542 network_iface_stat_ptr->speed = 100;
543 break;
544 /* 1000 Mbit connections */
545 case(IFM_1000_SX):
546 case(IFM_1000_LX):
547 case(IFM_1000_CX):
548 #ifdef IFM_1000_TX
549 case(IFM_1000_TX): /* FreeBSD 4 and others? */
550 #endif
551 #ifdef IFM_1000_FX
552 case(IFM_1000_FX): /* FreeBSD 4 */
553 #endif
554 #ifdef IFM_1000_T
555 case(IFM_1000_T): /* FreeBSD 5 */
556 #endif
557 network_iface_stat_ptr->speed = 1000;
558 break;
559 /* We don't know what it is */
560 default:
561 network_iface_stat_ptr->speed = 0;
562 break;
563 }
564
565 if( (ifmed.ifm_active | IFM_FDX) == ifmed.ifm_active ){
566 network_iface_stat_ptr->dup = FULL_DUPLEX;
567 }else if( (ifmed.ifm_active | IFM_HDX) == ifmed.ifm_active ){
568 network_iface_stat_ptr->dup = HALF_DUPLEX;
569 }else{
570 network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
571 }
572
573 }
574 freeifaddrs(net);
575 close(sock);
576 #endif
577
578 #ifdef SOLARIS
579 if ((kc = kstat_open()) == NULL) {
580 return NULL;
581 }
582
583 if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) {
584 return NULL;
585 }
586
587 for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
588 if (!strcmp(ksp->ks_class, "net")) {
589 struct ifreq ifr;
590
591 kstat_read(kc, ksp, NULL);
592
593 strncpy(ifr.ifr_name, ksp->ks_name, sizeof ifr.ifr_name);
594 if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
595 /* Not a network interface. */
596 continue;
597 }
598
599 network_iface_stats = network_iface_stat_malloc(ifaces + 1, &sizeof_network_iface_stats, network_iface_stats);
600 if (network_iface_stats == NULL) {
601 return NULL;
602 }
603 network_iface_stat_ptr = network_iface_stats + ifaces;
604 ifaces++;
605
606 if (network_iface_stat_ptr->interface_name != NULL) free(network_iface_stat_ptr->interface_name);
607 network_iface_stat_ptr->interface_name = strdup(ksp->ks_name);
608 if (network_iface_stat_ptr->interface_name == NULL) return NULL;
609
610 if ((ifr.ifr_flags & IFF_UP) != 0) {
611 network_iface_stat_ptr->up = 1;
612 } else {
613 network_iface_stat_ptr->up = 1;
614 }
615
616 if ((knp = kstat_data_lookup(ksp, "ifspeed")) != NULL) {
617 network_iface_stat_ptr->speed = knp->value.ui64 / (1000 * 1000);
618 } else {
619 network_iface_stat_ptr->speed = 0;
620 }
621
622 network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
623 if ((knp = kstat_data_lookup(ksp, "link_duplex")) != NULL) {
624 switch (knp->value.ui32) {
625 case 1:
626 network_iface_stat_ptr->dup = HALF_DUPLEX;
627 break;
628 case 2:
629 network_iface_stat_ptr->dup = FULL_DUPLEX;
630 break;
631 }
632 }
633 }
634 }
635
636 close(sock);
637 kstat_close(kc);
638 #endif
639 #ifdef LINUX
640 f = fopen("/proc/net/dev", "r");
641 if(f == NULL){
642 return NULL;
643 }
644
645 /* Setup stuff so we can do the ioctl to get the info */
646 if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0){
647 return NULL;
648 }
649
650 /* Ignore first 2 lines.. Just headings */
651 if((fgets(line, sizeof(line), f)) == NULL) return NULL;
652 if((fgets(line, sizeof(line), f)) == NULL) return NULL;
653
654 while((fgets(line, sizeof(line), f)) != NULL){
655 char *name, *ptr;
656 struct ifreq ifr;
657 struct ethtool_cmd ethcmd;
658 int err;
659
660 /* Get the interface name */
661 ptr = strchr(line, ':');
662 if (ptr == NULL) continue;
663 *ptr='\0';
664 name = line;
665 while(isspace(*(name))){
666 name++;
667 }
668
669 memset(&ifr, 0, sizeof ifr);
670 strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
671
672 if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
673 continue;
674 }
675
676 /* We have a good interface to add */
677 network_iface_stats=network_iface_stat_malloc((ifaces+1), &sizeof_network_iface_stats, network_iface_stats);
678 if(network_iface_stats==NULL){
679 return NULL;
680 }
681 network_iface_stat_ptr = network_iface_stats + ifaces;
682 network_iface_stat_ptr->interface_name = strdup(name);
683 if ((ifr.ifr_flags & IFF_UP) != 0) {
684 network_iface_stat_ptr->up = 1;
685 } else {
686 network_iface_stat_ptr->up = 0;
687 }
688
689 memset(&ethcmd, 0, sizeof ethcmd);
690 ethcmd.cmd = ETHTOOL_GSET;
691 ifr.ifr_data = (caddr_t) &ethcmd;
692
693 err = ioctl(sock, SIOCETHTOOL, &ifr);
694 if (err == 0) {
695 network_iface_stat_ptr->speed = ethcmd.speed;
696
697 switch (ethcmd.duplex) {
698 case 0x00:
699 network_iface_stat_ptr->dup = FULL_DUPLEX;
700 break;
701 case 0x01:
702 network_iface_stat_ptr->dup = HALF_DUPLEX;
703 break;
704 default:
705 network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
706 }
707 } else {
708 /* Not all interfaces support the ethtool ioctl. */
709 network_iface_stat_ptr->speed = 0;
710 network_iface_stat_ptr->dup = UNKNOWN_DUPLEX;
711 }
712
713 ifaces++;
714 }
715 close(sock);
716 fclose(f);
717 #endif
718 *entries = ifaces;
719 return network_iface_stats;
720 }
721