1 | /* vi: set sw=4 ts=4: */
|
---|
2 | /*
|
---|
3 | * stolen from net-tools-1.59 and stripped down for busybox by
|
---|
4 | * Erik Andersen <andersen@codepoet.org>
|
---|
5 | *
|
---|
6 | * Heavily modified by Manuel Novoa III Mar 12, 2001
|
---|
7 | *
|
---|
8 | * Added print_bytes_scaled function to reduce code size.
|
---|
9 | * Added some (potentially) missing defines.
|
---|
10 | * Improved display support for -a and for a named interface.
|
---|
11 | *
|
---|
12 | * -----------------------------------------------------------
|
---|
13 | *
|
---|
14 | * ifconfig This file contains an implementation of the command
|
---|
15 | * that either displays or sets the characteristics of
|
---|
16 | * one or more of the system's networking interfaces.
|
---|
17 | *
|
---|
18 | *
|
---|
19 | * Author: Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
|
---|
20 | * and others. Copyright 1993 MicroWalt Corporation
|
---|
21 | *
|
---|
22 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
---|
23 | *
|
---|
24 | * Patched to support 'add' and 'del' keywords for INET(4) addresses
|
---|
25 | * by Mrs. Brisby <mrs.brisby@nimh.org>
|
---|
26 | *
|
---|
27 | * {1.34} - 19980630 - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
|
---|
28 | * - gettext instead of catgets for i18n
|
---|
29 | * 10/1998 - Andi Kleen. Use interface list primitives.
|
---|
30 | * 20001008 - Bernd Eckenfels, Patch from RH for setting mtu
|
---|
31 | * (default AF was wrong)
|
---|
32 | */
|
---|
33 | #include <net/if.h>
|
---|
34 | #include <net/if_arp.h>
|
---|
35 | #if (defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1) || defined(_NEWLIB_VERSION)
|
---|
36 | # include <net/ethernet.h>
|
---|
37 | #else
|
---|
38 | # include <linux/if_ether.h>
|
---|
39 | #endif
|
---|
40 | #include "libbb.h"
|
---|
41 | #include "inet_common.h"
|
---|
42 |
|
---|
43 | #if ENABLE_FEATURE_HWIB
|
---|
44 | /* #include <linux/if_infiniband.h> */
|
---|
45 | # undef INFINIBAND_ALEN
|
---|
46 | # define INFINIBAND_ALEN 20
|
---|
47 | #endif
|
---|
48 |
|
---|
49 | #if ENABLE_FEATURE_IPV6
|
---|
50 | # define HAVE_AFINET6 1
|
---|
51 | #else
|
---|
52 | # undef HAVE_AFINET6
|
---|
53 | #endif
|
---|
54 |
|
---|
55 | #define _PATH_PROCNET_DEV "/proc/net/dev"
|
---|
56 | #define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6"
|
---|
57 |
|
---|
58 | #ifdef HAVE_AFINET6
|
---|
59 | # ifndef _LINUX_IN6_H
|
---|
60 | /*
|
---|
61 | * This is from linux/include/net/ipv6.h
|
---|
62 | */
|
---|
63 | struct in6_ifreq {
|
---|
64 | struct in6_addr ifr6_addr;
|
---|
65 | uint32_t ifr6_prefixlen;
|
---|
66 | unsigned int ifr6_ifindex;
|
---|
67 | };
|
---|
68 | # endif
|
---|
69 | #endif /* HAVE_AFINET6 */
|
---|
70 |
|
---|
71 | /* Defines for glibc2.0 users. */
|
---|
72 | #ifndef SIOCSIFTXQLEN
|
---|
73 | # define SIOCSIFTXQLEN 0x8943
|
---|
74 | # define SIOCGIFTXQLEN 0x8942
|
---|
75 | #endif
|
---|
76 |
|
---|
77 | /* ifr_qlen is ifru_ivalue, but it isn't present in 2.0 kernel headers */
|
---|
78 | #ifndef ifr_qlen
|
---|
79 | # define ifr_qlen ifr_ifru.ifru_mtu
|
---|
80 | #endif
|
---|
81 |
|
---|
82 | #ifndef HAVE_TXQUEUELEN
|
---|
83 | # define HAVE_TXQUEUELEN 1
|
---|
84 | #endif
|
---|
85 |
|
---|
86 | #ifndef IFF_DYNAMIC
|
---|
87 | # define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses */
|
---|
88 | #endif
|
---|
89 |
|
---|
90 | /* Display an Internet socket address. */
|
---|
91 | static const char* FAST_FUNC INET_sprint(struct sockaddr *sap, int numeric)
|
---|
92 | {
|
---|
93 | static char *buff; /* defaults to NULL */
|
---|
94 |
|
---|
95 | free(buff);
|
---|
96 | if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
|
---|
97 | return "[NONE SET]";
|
---|
98 | buff = INET_rresolve((struct sockaddr_in *) sap, numeric, 0xffffff00);
|
---|
99 | return buff;
|
---|
100 | }
|
---|
101 |
|
---|
102 | #ifdef UNUSED_AND_BUGGY
|
---|
103 | static int INET_getsock(char *bufp, struct sockaddr *sap)
|
---|
104 | {
|
---|
105 | char *sp = bufp, *bp;
|
---|
106 | unsigned int i;
|
---|
107 | unsigned val;
|
---|
108 | struct sockaddr_in *sock_in;
|
---|
109 |
|
---|
110 | sock_in = (struct sockaddr_in *) sap;
|
---|
111 | sock_in->sin_family = AF_INET;
|
---|
112 | sock_in->sin_port = 0;
|
---|
113 |
|
---|
114 | val = 0;
|
---|
115 | bp = (char *) &val;
|
---|
116 | for (i = 0; i < sizeof(sock_in->sin_addr.s_addr); i++) {
|
---|
117 | *sp = toupper(*sp);
|
---|
118 |
|
---|
119 | if ((unsigned)(*sp - 'A') <= 5)
|
---|
120 | bp[i] |= (int) (*sp - ('A' - 10));
|
---|
121 | else if (isdigit(*sp))
|
---|
122 | bp[i] |= (int) (*sp - '0');
|
---|
123 | else
|
---|
124 | return -1;
|
---|
125 |
|
---|
126 | bp[i] <<= 4;
|
---|
127 | sp++;
|
---|
128 | *sp = toupper(*sp);
|
---|
129 |
|
---|
130 | if ((unsigned)(*sp - 'A') <= 5)
|
---|
131 | bp[i] |= (int) (*sp - ('A' - 10));
|
---|
132 | else if (isdigit(*sp))
|
---|
133 | bp[i] |= (int) (*sp - '0');
|
---|
134 | else
|
---|
135 | return -1;
|
---|
136 |
|
---|
137 | sp++;
|
---|
138 | }
|
---|
139 | sock_in->sin_addr.s_addr = htonl(val);
|
---|
140 |
|
---|
141 | return (sp - bufp);
|
---|
142 | }
|
---|
143 | #endif
|
---|
144 |
|
---|
145 | static int FAST_FUNC INET_input(/*int type,*/ const char *bufp, struct sockaddr *sap)
|
---|
146 | {
|
---|
147 | return INET_resolve(bufp, (struct sockaddr_in *) sap, 0);
|
---|
148 | /*
|
---|
149 | switch (type) {
|
---|
150 | case 1:
|
---|
151 | return (INET_getsock(bufp, sap));
|
---|
152 | case 256:
|
---|
153 | return (INET_resolve(bufp, (struct sockaddr_in *) sap, 1));
|
---|
154 | default:
|
---|
155 | return (INET_resolve(bufp, (struct sockaddr_in *) sap, 0));
|
---|
156 | }
|
---|
157 | */
|
---|
158 | }
|
---|
159 |
|
---|
160 | static const struct aftype inet_aftype = {
|
---|
161 | .name = "inet",
|
---|
162 | .title = "DARPA Internet",
|
---|
163 | .af = AF_INET,
|
---|
164 | .alen = 4,
|
---|
165 | .sprint = INET_sprint,
|
---|
166 | .input = INET_input,
|
---|
167 | };
|
---|
168 |
|
---|
169 | #ifdef HAVE_AFINET6
|
---|
170 |
|
---|
171 | /* Display an Internet socket address. */
|
---|
172 | /* dirty! struct sockaddr usually doesn't suffer for inet6 addresses, fst. */
|
---|
173 | static const char* FAST_FUNC INET6_sprint(struct sockaddr *sap, int numeric)
|
---|
174 | {
|
---|
175 | static char *buff;
|
---|
176 |
|
---|
177 | free(buff);
|
---|
178 | if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
|
---|
179 | return "[NONE SET]";
|
---|
180 | buff = INET6_rresolve((struct sockaddr_in6 *) sap, numeric);
|
---|
181 | return buff;
|
---|
182 | }
|
---|
183 |
|
---|
184 | #ifdef UNUSED
|
---|
185 | static int INET6_getsock(char *bufp, struct sockaddr *sap)
|
---|
186 | {
|
---|
187 | struct sockaddr_in6 *sin6;
|
---|
188 |
|
---|
189 | sin6 = (struct sockaddr_in6 *) sap;
|
---|
190 | sin6->sin6_family = AF_INET6;
|
---|
191 | sin6->sin6_port = 0;
|
---|
192 |
|
---|
193 | if (inet_pton(AF_INET6, bufp, sin6->sin6_addr.s6_addr) <= 0)
|
---|
194 | return -1;
|
---|
195 |
|
---|
196 | return 16; /* ?;) */
|
---|
197 | }
|
---|
198 | #endif
|
---|
199 |
|
---|
200 | static int FAST_FUNC INET6_input(/*int type,*/ const char *bufp, struct sockaddr *sap)
|
---|
201 | {
|
---|
202 | return INET6_resolve(bufp, (struct sockaddr_in6 *) sap);
|
---|
203 | /*
|
---|
204 | switch (type) {
|
---|
205 | case 1:
|
---|
206 | return (INET6_getsock(bufp, sap));
|
---|
207 | default:
|
---|
208 | return (INET6_resolve(bufp, (struct sockaddr_in6 *) sap));
|
---|
209 | }
|
---|
210 | */
|
---|
211 | }
|
---|
212 |
|
---|
213 | static const struct aftype inet6_aftype = {
|
---|
214 | .name = "inet6",
|
---|
215 | .title = "IPv6",
|
---|
216 | .af = AF_INET6,
|
---|
217 | .alen = sizeof(struct in6_addr),
|
---|
218 | .sprint = INET6_sprint,
|
---|
219 | .input = INET6_input,
|
---|
220 | };
|
---|
221 |
|
---|
222 | #endif /* HAVE_AFINET6 */
|
---|
223 |
|
---|
224 | /* Display an UNSPEC address. */
|
---|
225 | static char* FAST_FUNC UNSPEC_print(unsigned char *ptr)
|
---|
226 | {
|
---|
227 | static char *buff;
|
---|
228 |
|
---|
229 | char *pos;
|
---|
230 | unsigned int i;
|
---|
231 |
|
---|
232 | if (!buff)
|
---|
233 | buff = xmalloc(sizeof(struct sockaddr) * 3 + 1);
|
---|
234 | pos = buff;
|
---|
235 | for (i = 0; i < sizeof(struct sockaddr); i++) {
|
---|
236 | /* careful -- not every libc's sprintf returns # bytes written */
|
---|
237 | sprintf(pos, "%02X-", (*ptr++ & 0377));
|
---|
238 | pos += 3;
|
---|
239 | }
|
---|
240 | /* Erase trailing "-". Works as long as sizeof(struct sockaddr) != 0 */
|
---|
241 | *--pos = '\0';
|
---|
242 | return buff;
|
---|
243 | }
|
---|
244 |
|
---|
245 | /* Display an UNSPEC socket address. */
|
---|
246 | static const char* FAST_FUNC UNSPEC_sprint(struct sockaddr *sap, int numeric UNUSED_PARAM)
|
---|
247 | {
|
---|
248 | if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
|
---|
249 | return "[NONE SET]";
|
---|
250 | return UNSPEC_print((unsigned char *)sap->sa_data);
|
---|
251 | }
|
---|
252 |
|
---|
253 | static const struct aftype unspec_aftype = {
|
---|
254 | .name = "unspec",
|
---|
255 | .title = "UNSPEC",
|
---|
256 | .af = AF_UNSPEC,
|
---|
257 | .alen = 0,
|
---|
258 | .print = UNSPEC_print,
|
---|
259 | .sprint = UNSPEC_sprint,
|
---|
260 | };
|
---|
261 |
|
---|
262 | static const struct aftype *const aftypes[] = {
|
---|
263 | &inet_aftype,
|
---|
264 | #ifdef HAVE_AFINET6
|
---|
265 | &inet6_aftype,
|
---|
266 | #endif
|
---|
267 | &unspec_aftype,
|
---|
268 | NULL
|
---|
269 | };
|
---|
270 |
|
---|
271 | /* Check our protocol family table for this family. */
|
---|
272 | const struct aftype* FAST_FUNC get_aftype(const char *name)
|
---|
273 | {
|
---|
274 | const struct aftype *const *afp;
|
---|
275 |
|
---|
276 | afp = aftypes;
|
---|
277 | while (*afp != NULL) {
|
---|
278 | if (!strcmp((*afp)->name, name))
|
---|
279 | return (*afp);
|
---|
280 | afp++;
|
---|
281 | }
|
---|
282 | return NULL;
|
---|
283 | }
|
---|
284 |
|
---|
285 | /* Check our protocol family table for this family. */
|
---|
286 | static const struct aftype *get_afntype(int af)
|
---|
287 | {
|
---|
288 | const struct aftype *const *afp;
|
---|
289 |
|
---|
290 | afp = aftypes;
|
---|
291 | while (*afp != NULL) {
|
---|
292 | if ((*afp)->af == af)
|
---|
293 | return *afp;
|
---|
294 | afp++;
|
---|
295 | }
|
---|
296 | return NULL;
|
---|
297 | }
|
---|
298 |
|
---|
299 | struct user_net_device_stats {
|
---|
300 | unsigned long long rx_packets; /* total packets received */
|
---|
301 | unsigned long long tx_packets; /* total packets transmitted */
|
---|
302 | unsigned long long rx_bytes; /* total bytes received */
|
---|
303 | unsigned long long tx_bytes; /* total bytes transmitted */
|
---|
304 | unsigned long rx_errors; /* bad packets received */
|
---|
305 | unsigned long tx_errors; /* packet transmit problems */
|
---|
306 | unsigned long rx_dropped; /* no space in linux buffers */
|
---|
307 | unsigned long tx_dropped; /* no space available in linux */
|
---|
308 | unsigned long rx_multicast; /* multicast packets received */
|
---|
309 | unsigned long rx_compressed;
|
---|
310 | unsigned long tx_compressed;
|
---|
311 | unsigned long collisions;
|
---|
312 |
|
---|
313 | /* detailed rx_errors: */
|
---|
314 | unsigned long rx_length_errors;
|
---|
315 | unsigned long rx_over_errors; /* receiver ring buff overflow */
|
---|
316 | unsigned long rx_crc_errors; /* recved pkt with crc error */
|
---|
317 | unsigned long rx_frame_errors; /* recv'd frame alignment error */
|
---|
318 | unsigned long rx_fifo_errors; /* recv'r fifo overrun */
|
---|
319 | unsigned long rx_missed_errors; /* receiver missed packet */
|
---|
320 | /* detailed tx_errors */
|
---|
321 | unsigned long tx_aborted_errors;
|
---|
322 | unsigned long tx_carrier_errors;
|
---|
323 | unsigned long tx_fifo_errors;
|
---|
324 | unsigned long tx_heartbeat_errors;
|
---|
325 | unsigned long tx_window_errors;
|
---|
326 | };
|
---|
327 |
|
---|
328 | struct interface {
|
---|
329 | struct interface *next, *prev;
|
---|
330 | char name[IFNAMSIZ]; /* interface name */
|
---|
331 | short type; /* if type */
|
---|
332 | short flags; /* various flags */
|
---|
333 | int metric; /* routing metric */
|
---|
334 | int mtu; /* MTU value */
|
---|
335 | int tx_queue_len; /* transmit queue length */
|
---|
336 | struct ifmap map; /* hardware setup */
|
---|
337 | struct sockaddr addr; /* IP address */
|
---|
338 | struct sockaddr dstaddr; /* P-P IP address */
|
---|
339 | struct sockaddr broadaddr; /* IP broadcast address */
|
---|
340 | struct sockaddr netmask; /* IP network mask */
|
---|
341 | int has_ip;
|
---|
342 | char hwaddr[32]; /* HW address */
|
---|
343 | int statistics_valid;
|
---|
344 | struct user_net_device_stats stats; /* statistics */
|
---|
345 | int keepalive; /* keepalive value for SLIP */
|
---|
346 | int outfill; /* outfill value for SLIP */
|
---|
347 | };
|
---|
348 |
|
---|
349 |
|
---|
350 | smallint interface_opt_a; /* show all interfaces */
|
---|
351 |
|
---|
352 | static struct interface *int_list, *int_last;
|
---|
353 |
|
---|
354 |
|
---|
355 | #if 0
|
---|
356 | /* like strcmp(), but knows about numbers */
|
---|
357 | except that the freshly added calls to xatoul() brf on ethernet aliases with
|
---|
358 | uClibc with e.g.: ife->name='lo' name='eth0:1'
|
---|
359 | static int nstrcmp(const char *a, const char *b)
|
---|
360 | {
|
---|
361 | const char *a_ptr = a;
|
---|
362 | const char *b_ptr = b;
|
---|
363 |
|
---|
364 | while (*a == *b) {
|
---|
365 | if (*a == '\0') {
|
---|
366 | return 0;
|
---|
367 | }
|
---|
368 | if (!isdigit(*a) && isdigit(*(a+1))) {
|
---|
369 | a_ptr = a+1;
|
---|
370 | b_ptr = b+1;
|
---|
371 | }
|
---|
372 | a++;
|
---|
373 | b++;
|
---|
374 | }
|
---|
375 |
|
---|
376 | if (isdigit(*a) && isdigit(*b)) {
|
---|
377 | return xatoul(a_ptr) > xatoul(b_ptr) ? 1 : -1;
|
---|
378 | }
|
---|
379 | return *a - *b;
|
---|
380 | }
|
---|
381 | #endif
|
---|
382 |
|
---|
383 | static struct interface *add_interface(char *name)
|
---|
384 | {
|
---|
385 | struct interface *ife, **nextp, *new;
|
---|
386 |
|
---|
387 | for (ife = int_last; ife; ife = ife->prev) {
|
---|
388 | int n = /*n*/strcmp(ife->name, name);
|
---|
389 |
|
---|
390 | if (n == 0)
|
---|
391 | return ife;
|
---|
392 | if (n < 0)
|
---|
393 | break;
|
---|
394 | }
|
---|
395 |
|
---|
396 | new = xzalloc(sizeof(*new));
|
---|
397 | strncpy_IFNAMSIZ(new->name, name);
|
---|
398 | nextp = ife ? &ife->next : &int_list;
|
---|
399 | new->prev = ife;
|
---|
400 | new->next = *nextp;
|
---|
401 | if (new->next)
|
---|
402 | new->next->prev = new;
|
---|
403 | else
|
---|
404 | int_last = new;
|
---|
405 | *nextp = new;
|
---|
406 | return new;
|
---|
407 | }
|
---|
408 |
|
---|
409 | static char *get_name(char *name, char *p)
|
---|
410 | {
|
---|
411 | /* Extract <name> from nul-terminated p where p matches
|
---|
412 | * <name>: after leading whitespace.
|
---|
413 | * If match is not made, set name empty and return unchanged p
|
---|
414 | */
|
---|
415 | char *nameend;
|
---|
416 | char *namestart = skip_whitespace(p);
|
---|
417 |
|
---|
418 | nameend = namestart;
|
---|
419 | while (*nameend && *nameend != ':' && !isspace(*nameend))
|
---|
420 | nameend++;
|
---|
421 | if (*nameend == ':') {
|
---|
422 | if ((nameend - namestart) < IFNAMSIZ) {
|
---|
423 | memcpy(name, namestart, nameend - namestart);
|
---|
424 | name[nameend - namestart] = '\0';
|
---|
425 | p = nameend;
|
---|
426 | } else {
|
---|
427 | /* Interface name too large */
|
---|
428 | name[0] = '\0';
|
---|
429 | }
|
---|
430 | } else {
|
---|
431 | /* trailing ':' not found - return empty */
|
---|
432 | name[0] = '\0';
|
---|
433 | }
|
---|
434 | return p + 1;
|
---|
435 | }
|
---|
436 |
|
---|
437 | /* If scanf supports size qualifiers for %n conversions, then we can
|
---|
438 | * use a modified fmt that simply stores the position in the fields
|
---|
439 | * having no associated fields in the proc string. Of course, we need
|
---|
440 | * to zero them again when we're done. But that is smaller than the
|
---|
441 | * old approach of multiple scanf occurrences with large numbers of
|
---|
442 | * args. */
|
---|
443 |
|
---|
444 | /* static const char *const ss_fmt[] = { */
|
---|
445 | /* "%lln%llu%lu%lu%lu%lu%ln%ln%lln%llu%lu%lu%lu%lu%lu", */
|
---|
446 | /* "%llu%llu%lu%lu%lu%lu%ln%ln%llu%llu%lu%lu%lu%lu%lu", */
|
---|
447 | /* "%llu%llu%lu%lu%lu%lu%lu%lu%llu%llu%lu%lu%lu%lu%lu%lu" */
|
---|
448 | /* }; */
|
---|
449 |
|
---|
450 | /* Lie about the size of the int pointed to for %n. */
|
---|
451 | #if INT_MAX == LONG_MAX
|
---|
452 | static const char *const ss_fmt[] = {
|
---|
453 | "%n%llu%u%u%u%u%n%n%n%llu%u%u%u%u%u",
|
---|
454 | "%llu%llu%u%u%u%u%n%n%llu%llu%u%u%u%u%u",
|
---|
455 | "%llu%llu%u%u%u%u%u%u%llu%llu%u%u%u%u%u%u"
|
---|
456 | };
|
---|
457 | #else
|
---|
458 | static const char *const ss_fmt[] = {
|
---|
459 | "%n%llu%lu%lu%lu%lu%n%n%n%llu%lu%lu%lu%lu%lu",
|
---|
460 | "%llu%llu%lu%lu%lu%lu%n%n%llu%llu%lu%lu%lu%lu%lu",
|
---|
461 | "%llu%llu%lu%lu%lu%lu%lu%lu%llu%llu%lu%lu%lu%lu%lu%lu"
|
---|
462 | };
|
---|
463 |
|
---|
464 | #endif
|
---|
465 |
|
---|
466 | static void get_dev_fields(char *bp, struct interface *ife, int procnetdev_vsn)
|
---|
467 | {
|
---|
468 | memset(&ife->stats, 0, sizeof(struct user_net_device_stats));
|
---|
469 |
|
---|
470 | sscanf(bp, ss_fmt[procnetdev_vsn],
|
---|
471 | &ife->stats.rx_bytes, /* missing for 0 */
|
---|
472 | &ife->stats.rx_packets,
|
---|
473 | &ife->stats.rx_errors,
|
---|
474 | &ife->stats.rx_dropped,
|
---|
475 | &ife->stats.rx_fifo_errors,
|
---|
476 | &ife->stats.rx_frame_errors,
|
---|
477 | &ife->stats.rx_compressed, /* missing for <= 1 */
|
---|
478 | &ife->stats.rx_multicast, /* missing for <= 1 */
|
---|
479 | &ife->stats.tx_bytes, /* missing for 0 */
|
---|
480 | &ife->stats.tx_packets,
|
---|
481 | &ife->stats.tx_errors,
|
---|
482 | &ife->stats.tx_dropped,
|
---|
483 | &ife->stats.tx_fifo_errors,
|
---|
484 | &ife->stats.collisions,
|
---|
485 | &ife->stats.tx_carrier_errors,
|
---|
486 | &ife->stats.tx_compressed /* missing for <= 1 */
|
---|
487 | );
|
---|
488 |
|
---|
489 | if (procnetdev_vsn <= 1) {
|
---|
490 | if (procnetdev_vsn == 0) {
|
---|
491 | ife->stats.rx_bytes = 0;
|
---|
492 | ife->stats.tx_bytes = 0;
|
---|
493 | }
|
---|
494 | ife->stats.rx_multicast = 0;
|
---|
495 | ife->stats.rx_compressed = 0;
|
---|
496 | ife->stats.tx_compressed = 0;
|
---|
497 | }
|
---|
498 | }
|
---|
499 |
|
---|
500 | static int procnetdev_version(char *buf)
|
---|
501 | {
|
---|
502 | if (strstr(buf, "compressed"))
|
---|
503 | return 2;
|
---|
504 | if (strstr(buf, "bytes"))
|
---|
505 | return 1;
|
---|
506 | return 0;
|
---|
507 | }
|
---|
508 |
|
---|
509 | static int if_readconf(void)
|
---|
510 | {
|
---|
511 | int numreqs = 30;
|
---|
512 | struct ifconf ifc;
|
---|
513 | struct ifreq *ifr;
|
---|
514 | int n, err = -1;
|
---|
515 | int skfd;
|
---|
516 |
|
---|
517 | ifc.ifc_buf = NULL;
|
---|
518 |
|
---|
519 | /* SIOCGIFCONF currently seems to only work properly on AF_INET sockets
|
---|
520 | (as of 2.1.128) */
|
---|
521 | skfd = socket(AF_INET, SOCK_DGRAM, 0);
|
---|
522 | if (skfd < 0) {
|
---|
523 | bb_perror_msg("error: no inet socket available");
|
---|
524 | return -1;
|
---|
525 | }
|
---|
526 |
|
---|
527 | for (;;) {
|
---|
528 | ifc.ifc_len = sizeof(struct ifreq) * numreqs;
|
---|
529 | ifc.ifc_buf = xrealloc(ifc.ifc_buf, ifc.ifc_len);
|
---|
530 |
|
---|
531 | if (ioctl_or_warn(skfd, SIOCGIFCONF, &ifc) < 0) {
|
---|
532 | goto out;
|
---|
533 | }
|
---|
534 | if (ifc.ifc_len == (int)(sizeof(struct ifreq) * numreqs)) {
|
---|
535 | /* assume it overflowed and try again */
|
---|
536 | numreqs += 10;
|
---|
537 | continue;
|
---|
538 | }
|
---|
539 | break;
|
---|
540 | }
|
---|
541 |
|
---|
542 | ifr = ifc.ifc_req;
|
---|
543 | for (n = 0; n < ifc.ifc_len; n += sizeof(struct ifreq)) {
|
---|
544 | add_interface(ifr->ifr_name);
|
---|
545 | ifr++;
|
---|
546 | }
|
---|
547 | err = 0;
|
---|
548 |
|
---|
549 | out:
|
---|
550 | close(skfd);
|
---|
551 | free(ifc.ifc_buf);
|
---|
552 | return err;
|
---|
553 | }
|
---|
554 |
|
---|
555 | static int if_readlist_proc(char *target)
|
---|
556 | {
|
---|
557 | static smallint proc_read;
|
---|
558 |
|
---|
559 | FILE *fh;
|
---|
560 | char buf[512];
|
---|
561 | struct interface *ife;
|
---|
562 | int err, procnetdev_vsn;
|
---|
563 |
|
---|
564 | if (proc_read)
|
---|
565 | return 0;
|
---|
566 | if (!target)
|
---|
567 | proc_read = 1;
|
---|
568 |
|
---|
569 | fh = fopen_or_warn(_PATH_PROCNET_DEV, "r");
|
---|
570 | if (!fh) {
|
---|
571 | return if_readconf();
|
---|
572 | }
|
---|
573 | fgets(buf, sizeof buf, fh); /* eat line */
|
---|
574 | fgets(buf, sizeof buf, fh);
|
---|
575 |
|
---|
576 | procnetdev_vsn = procnetdev_version(buf);
|
---|
577 |
|
---|
578 | err = 0;
|
---|
579 | while (fgets(buf, sizeof buf, fh)) {
|
---|
580 | char *s, name[128];
|
---|
581 |
|
---|
582 | s = get_name(name, buf);
|
---|
583 | ife = add_interface(name);
|
---|
584 | get_dev_fields(s, ife, procnetdev_vsn);
|
---|
585 | ife->statistics_valid = 1;
|
---|
586 | if (target && !strcmp(target, name))
|
---|
587 | break;
|
---|
588 | }
|
---|
589 | if (ferror(fh)) {
|
---|
590 | bb_perror_msg(_PATH_PROCNET_DEV);
|
---|
591 | err = -1;
|
---|
592 | proc_read = 0;
|
---|
593 | }
|
---|
594 | fclose(fh);
|
---|
595 | return err;
|
---|
596 | }
|
---|
597 |
|
---|
598 | static int if_readlist(void)
|
---|
599 | {
|
---|
600 | int err = if_readlist_proc(NULL);
|
---|
601 | /* Needed in order to get ethN:M aliases */
|
---|
602 | if (!err)
|
---|
603 | err = if_readconf();
|
---|
604 | return err;
|
---|
605 | }
|
---|
606 |
|
---|
607 | /* Fetch the interface configuration from the kernel. */
|
---|
608 | static int if_fetch(struct interface *ife)
|
---|
609 | {
|
---|
610 | struct ifreq ifr;
|
---|
611 | char *ifname = ife->name;
|
---|
612 | int skfd;
|
---|
613 |
|
---|
614 | skfd = xsocket(AF_INET, SOCK_DGRAM, 0);
|
---|
615 |
|
---|
616 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
617 | if (ioctl(skfd, SIOCGIFFLAGS, &ifr) < 0) {
|
---|
618 | close(skfd);
|
---|
619 | return -1;
|
---|
620 | }
|
---|
621 | ife->flags = ifr.ifr_flags;
|
---|
622 |
|
---|
623 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
624 | memset(ife->hwaddr, 0, 32);
|
---|
625 | if (ioctl(skfd, SIOCGIFHWADDR, &ifr) >= 0)
|
---|
626 | memcpy(ife->hwaddr, ifr.ifr_hwaddr.sa_data, 8);
|
---|
627 |
|
---|
628 | ife->type = ifr.ifr_hwaddr.sa_family;
|
---|
629 |
|
---|
630 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
631 | ife->metric = 0;
|
---|
632 | if (ioctl(skfd, SIOCGIFMETRIC, &ifr) >= 0)
|
---|
633 | ife->metric = ifr.ifr_metric;
|
---|
634 |
|
---|
635 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
636 | ife->mtu = 0;
|
---|
637 | if (ioctl(skfd, SIOCGIFMTU, &ifr) >= 0)
|
---|
638 | ife->mtu = ifr.ifr_mtu;
|
---|
639 |
|
---|
640 | memset(&ife->map, 0, sizeof(struct ifmap));
|
---|
641 | #ifdef SIOCGIFMAP
|
---|
642 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
643 | if (ioctl(skfd, SIOCGIFMAP, &ifr) == 0)
|
---|
644 | ife->map = ifr.ifr_map;
|
---|
645 | #endif
|
---|
646 |
|
---|
647 | #ifdef HAVE_TXQUEUELEN
|
---|
648 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
649 | ife->tx_queue_len = -1; /* unknown value */
|
---|
650 | if (ioctl(skfd, SIOCGIFTXQLEN, &ifr) >= 0)
|
---|
651 | ife->tx_queue_len = ifr.ifr_qlen;
|
---|
652 | #else
|
---|
653 | ife->tx_queue_len = -1; /* unknown value */
|
---|
654 | #endif
|
---|
655 |
|
---|
656 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
657 | ifr.ifr_addr.sa_family = AF_INET;
|
---|
658 | memset(&ife->addr, 0, sizeof(struct sockaddr));
|
---|
659 | if (ioctl(skfd, SIOCGIFADDR, &ifr) == 0) {
|
---|
660 | ife->has_ip = 1;
|
---|
661 | ife->addr = ifr.ifr_addr;
|
---|
662 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
663 | memset(&ife->dstaddr, 0, sizeof(struct sockaddr));
|
---|
664 | if (ioctl(skfd, SIOCGIFDSTADDR, &ifr) >= 0)
|
---|
665 | ife->dstaddr = ifr.ifr_dstaddr;
|
---|
666 |
|
---|
667 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
668 | memset(&ife->broadaddr, 0, sizeof(struct sockaddr));
|
---|
669 | if (ioctl(skfd, SIOCGIFBRDADDR, &ifr) >= 0)
|
---|
670 | ife->broadaddr = ifr.ifr_broadaddr;
|
---|
671 |
|
---|
672 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
673 | memset(&ife->netmask, 0, sizeof(struct sockaddr));
|
---|
674 | if (ioctl(skfd, SIOCGIFNETMASK, &ifr) >= 0)
|
---|
675 | ife->netmask = ifr.ifr_netmask;
|
---|
676 | }
|
---|
677 |
|
---|
678 | close(skfd);
|
---|
679 | return 0;
|
---|
680 | }
|
---|
681 |
|
---|
682 | static int do_if_fetch(struct interface *ife)
|
---|
683 | {
|
---|
684 | if (if_fetch(ife) < 0) {
|
---|
685 | const char *errmsg;
|
---|
686 |
|
---|
687 | if (errno == ENODEV) {
|
---|
688 | /* Give better error message for this case. */
|
---|
689 | errmsg = "Device not found";
|
---|
690 | } else {
|
---|
691 | errmsg = strerror(errno);
|
---|
692 | }
|
---|
693 | bb_error_msg("%s: error fetching interface information: %s",
|
---|
694 | ife->name, errmsg);
|
---|
695 | return -1;
|
---|
696 | }
|
---|
697 | return 0;
|
---|
698 | }
|
---|
699 |
|
---|
700 | static const struct hwtype unspec_hwtype = {
|
---|
701 | .name = "unspec",
|
---|
702 | .title = "UNSPEC",
|
---|
703 | .type = -1,
|
---|
704 | .print = UNSPEC_print
|
---|
705 | };
|
---|
706 |
|
---|
707 | static const struct hwtype loop_hwtype = {
|
---|
708 | .name = "loop",
|
---|
709 | .title = "Local Loopback",
|
---|
710 | .type = ARPHRD_LOOPBACK
|
---|
711 | };
|
---|
712 |
|
---|
713 | /* Display an Ethernet address in readable format. */
|
---|
714 | static char* FAST_FUNC ether_print(unsigned char *ptr)
|
---|
715 | {
|
---|
716 | static char *buff;
|
---|
717 |
|
---|
718 | free(buff);
|
---|
719 | buff = xasprintf("%02X:%02X:%02X:%02X:%02X:%02X",
|
---|
720 | (ptr[0] & 0377), (ptr[1] & 0377), (ptr[2] & 0377),
|
---|
721 | (ptr[3] & 0377), (ptr[4] & 0377), (ptr[5] & 0377)
|
---|
722 | );
|
---|
723 | return buff;
|
---|
724 | }
|
---|
725 |
|
---|
726 | static int FAST_FUNC ether_input(const char *bufp, struct sockaddr *sap);
|
---|
727 |
|
---|
728 | static const struct hwtype ether_hwtype = {
|
---|
729 | .name = "ether",
|
---|
730 | .title = "Ethernet",
|
---|
731 | .type = ARPHRD_ETHER,
|
---|
732 | .alen = ETH_ALEN,
|
---|
733 | .print = ether_print,
|
---|
734 | .input = ether_input
|
---|
735 | };
|
---|
736 |
|
---|
737 | static unsigned hexchar2int(char c)
|
---|
738 | {
|
---|
739 | if (isdigit(c))
|
---|
740 | return c - '0';
|
---|
741 | c &= ~0x20; /* a -> A */
|
---|
742 | if ((unsigned)(c - 'A') <= 5)
|
---|
743 | return c - ('A' - 10);
|
---|
744 | return ~0U;
|
---|
745 | }
|
---|
746 |
|
---|
747 | /* Input an Ethernet address and convert to binary. */
|
---|
748 | static int FAST_FUNC ether_input(const char *bufp, struct sockaddr *sap)
|
---|
749 | {
|
---|
750 | unsigned char *ptr;
|
---|
751 | char c;
|
---|
752 | int i;
|
---|
753 | unsigned val;
|
---|
754 |
|
---|
755 | sap->sa_family = ether_hwtype.type;
|
---|
756 | ptr = (unsigned char*) sap->sa_data;
|
---|
757 |
|
---|
758 | i = 0;
|
---|
759 | while ((*bufp != '\0') && (i < ETH_ALEN)) {
|
---|
760 | val = hexchar2int(*bufp++) * 0x10;
|
---|
761 | if (val > 0xff) {
|
---|
762 | errno = EINVAL;
|
---|
763 | return -1;
|
---|
764 | }
|
---|
765 | c = *bufp;
|
---|
766 | if (c == ':' || c == 0)
|
---|
767 | val >>= 4;
|
---|
768 | else {
|
---|
769 | val |= hexchar2int(c);
|
---|
770 | if (val > 0xff) {
|
---|
771 | errno = EINVAL;
|
---|
772 | return -1;
|
---|
773 | }
|
---|
774 | }
|
---|
775 | if (c != 0)
|
---|
776 | bufp++;
|
---|
777 | *ptr++ = (unsigned char) val;
|
---|
778 | i++;
|
---|
779 |
|
---|
780 | /* We might get a semicolon here - not required. */
|
---|
781 | if (*bufp == ':') {
|
---|
782 | bufp++;
|
---|
783 | }
|
---|
784 | }
|
---|
785 | return 0;
|
---|
786 | }
|
---|
787 |
|
---|
788 | static const struct hwtype ppp_hwtype = {
|
---|
789 | .name = "ppp",
|
---|
790 | .title = "Point-to-Point Protocol",
|
---|
791 | .type = ARPHRD_PPP
|
---|
792 | };
|
---|
793 |
|
---|
794 | #if ENABLE_FEATURE_IPV6
|
---|
795 | static const struct hwtype sit_hwtype = {
|
---|
796 | .name = "sit",
|
---|
797 | .title = "IPv6-in-IPv4",
|
---|
798 | .type = ARPHRD_SIT,
|
---|
799 | .print = UNSPEC_print,
|
---|
800 | .suppress_null_addr = 1
|
---|
801 | };
|
---|
802 | #endif
|
---|
803 | #if ENABLE_FEATURE_HWIB
|
---|
804 | static const struct hwtype ib_hwtype = {
|
---|
805 | .name = "infiniband",
|
---|
806 | .title = "InfiniBand",
|
---|
807 | .type = ARPHRD_INFINIBAND,
|
---|
808 | .alen = INFINIBAND_ALEN,
|
---|
809 | .print = UNSPEC_print,
|
---|
810 | .input = in_ib,
|
---|
811 | };
|
---|
812 | #endif
|
---|
813 |
|
---|
814 |
|
---|
815 | static const struct hwtype *const hwtypes[] = {
|
---|
816 | &loop_hwtype,
|
---|
817 | ðer_hwtype,
|
---|
818 | &ppp_hwtype,
|
---|
819 | &unspec_hwtype,
|
---|
820 | #if ENABLE_FEATURE_IPV6
|
---|
821 | &sit_hwtype,
|
---|
822 | #endif
|
---|
823 | #if ENABLE_FEATURE_HWIB
|
---|
824 | &ib_hwtype,
|
---|
825 | #endif
|
---|
826 | NULL
|
---|
827 | };
|
---|
828 |
|
---|
829 | #ifdef IFF_PORTSEL
|
---|
830 | static const char *const if_port_text[] = {
|
---|
831 | /* Keep in step with <linux/netdevice.h> */
|
---|
832 | "unknown",
|
---|
833 | "10base2",
|
---|
834 | "10baseT",
|
---|
835 | "AUI",
|
---|
836 | "100baseT",
|
---|
837 | "100baseTX",
|
---|
838 | "100baseFX",
|
---|
839 | NULL
|
---|
840 | };
|
---|
841 | #endif
|
---|
842 |
|
---|
843 | /* Check our hardware type table for this type. */
|
---|
844 | const struct hwtype* FAST_FUNC get_hwtype(const char *name)
|
---|
845 | {
|
---|
846 | const struct hwtype *const *hwp;
|
---|
847 |
|
---|
848 | hwp = hwtypes;
|
---|
849 | while (*hwp != NULL) {
|
---|
850 | if (!strcmp((*hwp)->name, name))
|
---|
851 | return (*hwp);
|
---|
852 | hwp++;
|
---|
853 | }
|
---|
854 | return NULL;
|
---|
855 | }
|
---|
856 |
|
---|
857 | /* Check our hardware type table for this type. */
|
---|
858 | const struct hwtype* FAST_FUNC get_hwntype(int type)
|
---|
859 | {
|
---|
860 | const struct hwtype *const *hwp;
|
---|
861 |
|
---|
862 | hwp = hwtypes;
|
---|
863 | while (*hwp != NULL) {
|
---|
864 | if ((*hwp)->type == type)
|
---|
865 | return *hwp;
|
---|
866 | hwp++;
|
---|
867 | }
|
---|
868 | return NULL;
|
---|
869 | }
|
---|
870 |
|
---|
871 | /* return 1 if address is all zeros */
|
---|
872 | static int hw_null_address(const struct hwtype *hw, void *ap)
|
---|
873 | {
|
---|
874 | int i;
|
---|
875 | unsigned char *address = (unsigned char *) ap;
|
---|
876 |
|
---|
877 | for (i = 0; i < hw->alen; i++)
|
---|
878 | if (address[i])
|
---|
879 | return 0;
|
---|
880 | return 1;
|
---|
881 | }
|
---|
882 |
|
---|
883 | static const char TRext[] ALIGN1 = "\0\0\0Ki\0Mi\0Gi\0Ti";
|
---|
884 |
|
---|
885 | static void print_bytes_scaled(unsigned long long ull, const char *end)
|
---|
886 | {
|
---|
887 | unsigned long long int_part;
|
---|
888 | const char *ext;
|
---|
889 | unsigned int frac_part;
|
---|
890 | int i;
|
---|
891 |
|
---|
892 | frac_part = 0;
|
---|
893 | ext = TRext;
|
---|
894 | int_part = ull;
|
---|
895 | i = 4;
|
---|
896 | do {
|
---|
897 | if (int_part >= 1024) {
|
---|
898 | frac_part = ((((unsigned int) int_part) & (1024-1)) * 10) / 1024;
|
---|
899 | int_part /= 1024;
|
---|
900 | ext += 3; /* KiB, MiB, GiB, TiB */
|
---|
901 | }
|
---|
902 | --i;
|
---|
903 | } while (i);
|
---|
904 |
|
---|
905 | printf("X bytes:%llu (%llu.%u %sB)%s", ull, int_part, frac_part, ext, end);
|
---|
906 | }
|
---|
907 |
|
---|
908 |
|
---|
909 | #ifdef HAVE_AFINET6
|
---|
910 | #define IPV6_ADDR_ANY 0x0000U
|
---|
911 |
|
---|
912 | #define IPV6_ADDR_UNICAST 0x0001U
|
---|
913 | #define IPV6_ADDR_MULTICAST 0x0002U
|
---|
914 | #define IPV6_ADDR_ANYCAST 0x0004U
|
---|
915 |
|
---|
916 | #define IPV6_ADDR_LOOPBACK 0x0010U
|
---|
917 | #define IPV6_ADDR_LINKLOCAL 0x0020U
|
---|
918 | #define IPV6_ADDR_SITELOCAL 0x0040U
|
---|
919 |
|
---|
920 | #define IPV6_ADDR_COMPATv4 0x0080U
|
---|
921 |
|
---|
922 | #define IPV6_ADDR_SCOPE_MASK 0x00f0U
|
---|
923 |
|
---|
924 | #define IPV6_ADDR_MAPPED 0x1000U
|
---|
925 | #define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */
|
---|
926 |
|
---|
927 |
|
---|
928 | static void ife_print6(struct interface *ptr)
|
---|
929 | {
|
---|
930 | FILE *f;
|
---|
931 | char addr6[40], devname[20];
|
---|
932 | struct sockaddr_in6 sap;
|
---|
933 | int plen, scope, dad_status, if_idx;
|
---|
934 | char addr6p[8][5];
|
---|
935 |
|
---|
936 | f = fopen_for_read(_PATH_PROCNET_IFINET6);
|
---|
937 | if (f == NULL)
|
---|
938 | return;
|
---|
939 |
|
---|
940 | while (fscanf
|
---|
941 | (f, "%4s%4s%4s%4s%4s%4s%4s%4s %08x %02x %02x %02x %20s\n",
|
---|
942 | addr6p[0], addr6p[1], addr6p[2], addr6p[3], addr6p[4],
|
---|
943 | addr6p[5], addr6p[6], addr6p[7], &if_idx, &plen, &scope,
|
---|
944 | &dad_status, devname) != EOF
|
---|
945 | ) {
|
---|
946 | if (!strcmp(devname, ptr->name)) {
|
---|
947 | sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s",
|
---|
948 | addr6p[0], addr6p[1], addr6p[2], addr6p[3],
|
---|
949 | addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
|
---|
950 | inet_pton(AF_INET6, addr6,
|
---|
951 | (struct sockaddr *) &sap.sin6_addr);
|
---|
952 | sap.sin6_family = AF_INET6;
|
---|
953 | printf(" inet6 addr: %s/%d",
|
---|
954 | INET6_sprint((struct sockaddr *) &sap, 1),
|
---|
955 | plen);
|
---|
956 | printf(" Scope:");
|
---|
957 | switch (scope & IPV6_ADDR_SCOPE_MASK) {
|
---|
958 | case 0:
|
---|
959 | puts("Global");
|
---|
960 | break;
|
---|
961 | case IPV6_ADDR_LINKLOCAL:
|
---|
962 | puts("Link");
|
---|
963 | break;
|
---|
964 | case IPV6_ADDR_SITELOCAL:
|
---|
965 | puts("Site");
|
---|
966 | break;
|
---|
967 | case IPV6_ADDR_COMPATv4:
|
---|
968 | puts("Compat");
|
---|
969 | break;
|
---|
970 | case IPV6_ADDR_LOOPBACK:
|
---|
971 | puts("Host");
|
---|
972 | break;
|
---|
973 | default:
|
---|
974 | puts("Unknown");
|
---|
975 | }
|
---|
976 | }
|
---|
977 | }
|
---|
978 | fclose(f);
|
---|
979 | }
|
---|
980 | #else
|
---|
981 | #define ife_print6(a) ((void)0)
|
---|
982 | #endif
|
---|
983 |
|
---|
984 | static void ife_print(struct interface *ptr)
|
---|
985 | {
|
---|
986 | const struct aftype *ap;
|
---|
987 | const struct hwtype *hw;
|
---|
988 | int hf;
|
---|
989 | int can_compress = 0;
|
---|
990 |
|
---|
991 | ap = get_afntype(ptr->addr.sa_family);
|
---|
992 | if (ap == NULL)
|
---|
993 | ap = get_afntype(0);
|
---|
994 |
|
---|
995 | hf = ptr->type;
|
---|
996 |
|
---|
997 | if (hf == ARPHRD_CSLIP || hf == ARPHRD_CSLIP6)
|
---|
998 | can_compress = 1;
|
---|
999 |
|
---|
1000 | hw = get_hwntype(hf);
|
---|
1001 | if (hw == NULL)
|
---|
1002 | hw = get_hwntype(-1);
|
---|
1003 |
|
---|
1004 | printf("%-9s Link encap:%s ", ptr->name, hw->title);
|
---|
1005 | /* For some hardware types (eg Ash, ATM) we don't print the
|
---|
1006 | hardware address if it's null. */
|
---|
1007 | if (hw->print != NULL
|
---|
1008 | && !(hw_null_address(hw, ptr->hwaddr) && hw->suppress_null_addr)
|
---|
1009 | ) {
|
---|
1010 | printf("HWaddr %s ", hw->print((unsigned char *)ptr->hwaddr));
|
---|
1011 | }
|
---|
1012 | #ifdef IFF_PORTSEL
|
---|
1013 | if (ptr->flags & IFF_PORTSEL) {
|
---|
1014 | printf("Media:%s", if_port_text[ptr->map.port] /* [0] */);
|
---|
1015 | if (ptr->flags & IFF_AUTOMEDIA)
|
---|
1016 | printf("(auto)");
|
---|
1017 | }
|
---|
1018 | #endif
|
---|
1019 | bb_putchar('\n');
|
---|
1020 |
|
---|
1021 | if (ptr->has_ip) {
|
---|
1022 | printf(" %s addr:%s ", ap->name,
|
---|
1023 | ap->sprint(&ptr->addr, 1));
|
---|
1024 | if (ptr->flags & IFF_POINTOPOINT) {
|
---|
1025 | printf(" P-t-P:%s ", ap->sprint(&ptr->dstaddr, 1));
|
---|
1026 | }
|
---|
1027 | if (ptr->flags & IFF_BROADCAST) {
|
---|
1028 | printf(" Bcast:%s ", ap->sprint(&ptr->broadaddr, 1));
|
---|
1029 | }
|
---|
1030 | printf(" Mask:%s\n", ap->sprint(&ptr->netmask, 1));
|
---|
1031 | }
|
---|
1032 |
|
---|
1033 | ife_print6(ptr);
|
---|
1034 |
|
---|
1035 | printf(" ");
|
---|
1036 | /* DONT FORGET TO ADD THE FLAGS IN ife_print_short, too */
|
---|
1037 |
|
---|
1038 | if (ptr->flags == 0) {
|
---|
1039 | printf("[NO FLAGS] ");
|
---|
1040 | } else {
|
---|
1041 | static const char ife_print_flags_strs[] ALIGN1 =
|
---|
1042 | "UP\0"
|
---|
1043 | "BROADCAST\0"
|
---|
1044 | "DEBUG\0"
|
---|
1045 | "LOOPBACK\0"
|
---|
1046 | "POINTOPOINT\0"
|
---|
1047 | "NOTRAILERS\0"
|
---|
1048 | "RUNNING\0"
|
---|
1049 | "NOARP\0"
|
---|
1050 | "PROMISC\0"
|
---|
1051 | "ALLMULTI\0"
|
---|
1052 | "SLAVE\0"
|
---|
1053 | "MASTER\0"
|
---|
1054 | "MULTICAST\0"
|
---|
1055 | #ifdef HAVE_DYNAMIC
|
---|
1056 | "DYNAMIC\0"
|
---|
1057 | #endif
|
---|
1058 | ;
|
---|
1059 | static const unsigned short ife_print_flags_mask[] ALIGN2 = {
|
---|
1060 | IFF_UP,
|
---|
1061 | IFF_BROADCAST,
|
---|
1062 | IFF_DEBUG,
|
---|
1063 | IFF_LOOPBACK,
|
---|
1064 | IFF_POINTOPOINT,
|
---|
1065 | IFF_NOTRAILERS,
|
---|
1066 | IFF_RUNNING,
|
---|
1067 | IFF_NOARP,
|
---|
1068 | IFF_PROMISC,
|
---|
1069 | IFF_ALLMULTI,
|
---|
1070 | IFF_SLAVE,
|
---|
1071 | IFF_MASTER,
|
---|
1072 | IFF_MULTICAST
|
---|
1073 | #ifdef HAVE_DYNAMIC
|
---|
1074 | ,IFF_DYNAMIC
|
---|
1075 | #endif
|
---|
1076 | };
|
---|
1077 | const unsigned short *mask = ife_print_flags_mask;
|
---|
1078 | const char *str = ife_print_flags_strs;
|
---|
1079 | do {
|
---|
1080 | if (ptr->flags & *mask) {
|
---|
1081 | printf("%s ", str);
|
---|
1082 | }
|
---|
1083 | mask++;
|
---|
1084 | str += strlen(str) + 1;
|
---|
1085 | } while (*str);
|
---|
1086 | }
|
---|
1087 |
|
---|
1088 | /* DONT FORGET TO ADD THE FLAGS IN ife_print_short */
|
---|
1089 | printf(" MTU:%d Metric:%d", ptr->mtu, ptr->metric ? ptr->metric : 1);
|
---|
1090 | #ifdef SIOCSKEEPALIVE
|
---|
1091 | if (ptr->outfill || ptr->keepalive)
|
---|
1092 | printf(" Outfill:%d Keepalive:%d", ptr->outfill, ptr->keepalive);
|
---|
1093 | #endif
|
---|
1094 | bb_putchar('\n');
|
---|
1095 |
|
---|
1096 | /* If needed, display the interface statistics. */
|
---|
1097 |
|
---|
1098 | if (ptr->statistics_valid) {
|
---|
1099 | /* XXX: statistics are currently only printed for the primary address,
|
---|
1100 | * not for the aliases, although strictly speaking they're shared
|
---|
1101 | * by all addresses.
|
---|
1102 | */
|
---|
1103 | printf(" ");
|
---|
1104 |
|
---|
1105 | printf("RX packets:%llu errors:%lu dropped:%lu overruns:%lu frame:%lu\n",
|
---|
1106 | ptr->stats.rx_packets, ptr->stats.rx_errors,
|
---|
1107 | ptr->stats.rx_dropped, ptr->stats.rx_fifo_errors,
|
---|
1108 | ptr->stats.rx_frame_errors);
|
---|
1109 | if (can_compress)
|
---|
1110 | printf(" compressed:%lu\n",
|
---|
1111 | ptr->stats.rx_compressed);
|
---|
1112 | printf(" ");
|
---|
1113 | printf("TX packets:%llu errors:%lu dropped:%lu overruns:%lu carrier:%lu\n",
|
---|
1114 | ptr->stats.tx_packets, ptr->stats.tx_errors,
|
---|
1115 | ptr->stats.tx_dropped, ptr->stats.tx_fifo_errors,
|
---|
1116 | ptr->stats.tx_carrier_errors);
|
---|
1117 | printf(" collisions:%lu ", ptr->stats.collisions);
|
---|
1118 | if (can_compress)
|
---|
1119 | printf("compressed:%lu ", ptr->stats.tx_compressed);
|
---|
1120 | if (ptr->tx_queue_len != -1)
|
---|
1121 | printf("txqueuelen:%d ", ptr->tx_queue_len);
|
---|
1122 | printf("\n R");
|
---|
1123 | print_bytes_scaled(ptr->stats.rx_bytes, " T");
|
---|
1124 | print_bytes_scaled(ptr->stats.tx_bytes, "\n");
|
---|
1125 | }
|
---|
1126 |
|
---|
1127 | if (ptr->map.irq || ptr->map.mem_start
|
---|
1128 | || ptr->map.dma || ptr->map.base_addr
|
---|
1129 | ) {
|
---|
1130 | printf(" ");
|
---|
1131 | if (ptr->map.irq)
|
---|
1132 | printf("Interrupt:%d ", ptr->map.irq);
|
---|
1133 | if (ptr->map.base_addr >= 0x100) /* Only print devices using it for
|
---|
1134 | I/O maps */
|
---|
1135 | printf("Base address:0x%lx ",
|
---|
1136 | (unsigned long) ptr->map.base_addr);
|
---|
1137 | if (ptr->map.mem_start) {
|
---|
1138 | printf("Memory:%lx-%lx ", ptr->map.mem_start,
|
---|
1139 | ptr->map.mem_end);
|
---|
1140 | }
|
---|
1141 | if (ptr->map.dma)
|
---|
1142 | printf("DMA chan:%x ", ptr->map.dma);
|
---|
1143 | bb_putchar('\n');
|
---|
1144 | }
|
---|
1145 | bb_putchar('\n');
|
---|
1146 | }
|
---|
1147 |
|
---|
1148 | static int do_if_print(struct interface *ife) /*, int *opt_a)*/
|
---|
1149 | {
|
---|
1150 | int res;
|
---|
1151 |
|
---|
1152 | res = do_if_fetch(ife);
|
---|
1153 | if (res >= 0) {
|
---|
1154 | if ((ife->flags & IFF_UP) || interface_opt_a)
|
---|
1155 | ife_print(ife);
|
---|
1156 | }
|
---|
1157 | return res;
|
---|
1158 | }
|
---|
1159 |
|
---|
1160 | static struct interface *lookup_interface(char *name)
|
---|
1161 | {
|
---|
1162 | struct interface *ife = NULL;
|
---|
1163 |
|
---|
1164 | if (if_readlist_proc(name) < 0)
|
---|
1165 | return NULL;
|
---|
1166 | ife = add_interface(name);
|
---|
1167 | return ife;
|
---|
1168 | }
|
---|
1169 |
|
---|
1170 | #ifdef UNUSED
|
---|
1171 | static int for_all_interfaces(int (*doit) (struct interface *, void *),
|
---|
1172 | void *cookie)
|
---|
1173 | {
|
---|
1174 | struct interface *ife;
|
---|
1175 |
|
---|
1176 | if (!int_list && (if_readlist() < 0))
|
---|
1177 | return -1;
|
---|
1178 | for (ife = int_list; ife; ife = ife->next) {
|
---|
1179 | int err = doit(ife, cookie);
|
---|
1180 | if (err)
|
---|
1181 | return err;
|
---|
1182 | }
|
---|
1183 | return 0;
|
---|
1184 | }
|
---|
1185 | #endif
|
---|
1186 |
|
---|
1187 | /* for ipv4 add/del modes */
|
---|
1188 | static int if_print(char *ifname)
|
---|
1189 | {
|
---|
1190 | struct interface *ife;
|
---|
1191 | int res;
|
---|
1192 |
|
---|
1193 | if (!ifname) {
|
---|
1194 | /*res = for_all_interfaces(do_if_print, &interface_opt_a);*/
|
---|
1195 | if (!int_list && (if_readlist() < 0))
|
---|
1196 | return -1;
|
---|
1197 | for (ife = int_list; ife; ife = ife->next) {
|
---|
1198 | int err = do_if_print(ife); /*, &interface_opt_a);*/
|
---|
1199 | if (err)
|
---|
1200 | return err;
|
---|
1201 | }
|
---|
1202 | return 0;
|
---|
1203 | }
|
---|
1204 | ife = lookup_interface(ifname);
|
---|
1205 | res = do_if_fetch(ife);
|
---|
1206 | if (res >= 0)
|
---|
1207 | ife_print(ife);
|
---|
1208 | return res;
|
---|
1209 | }
|
---|
1210 |
|
---|
1211 | #if ENABLE_FEATURE_HWIB
|
---|
1212 | /* Input an Infiniband address and convert to binary. */
|
---|
1213 | int FAST_FUNC in_ib(const char *bufp, struct sockaddr *sap)
|
---|
1214 | {
|
---|
1215 | sap->sa_family = ib_hwtype.type;
|
---|
1216 | //TODO: error check?
|
---|
1217 | hex2bin((char*)sap->sa_data, bufp, INFINIBAND_ALEN);
|
---|
1218 | # ifdef HWIB_DEBUG
|
---|
1219 | fprintf(stderr, "in_ib(%s): %s\n", bufp, UNSPEC_print(sap->sa_data));
|
---|
1220 | # endif
|
---|
1221 | return 0;
|
---|
1222 | }
|
---|
1223 | #endif
|
---|
1224 |
|
---|
1225 | int FAST_FUNC display_interfaces(char *ifname)
|
---|
1226 | {
|
---|
1227 | int status;
|
---|
1228 |
|
---|
1229 | status = if_print(ifname);
|
---|
1230 |
|
---|
1231 | return (status < 0); /* status < 0 == 1 -- error */
|
---|
1232 | }
|
---|