1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #include <mdb/mdb_modapi.h>
27 #include <mdb/mdb_ks.h>
28 #include <mdb/mdb_ctf.h>
29 #include <sys/types.h>
30 #include <sys/tihdr.h>
31 #include <inet/led.h>
32 #include <inet/common.h>
33 #include <netinet/in.h>
34 #include <netinet/ip6.h>
35 #include <netinet/icmp6.h>
36 #include <inet/ip.h>
37 #include <inet/ip6.h>
38 #include <inet/ipclassifier.h>
39 #include <inet/tcp.h>
40 #include <sys/stream.h>
41 #include <sys/vfs.h>
42 #include <sys/stropts.h>
43 #include <sys/tpicommon.h>
44 #include <sys/socket.h>
45 #include <sys/socketvar.h>
46 #include <sys/cred_impl.h>
47 #include <inet/udp_impl.h>
48 #include <inet/rawip_impl.h>
49 #include <inet/mi.h>
50 #include <fs/sockfs/socktpi_impl.h>
51 #include <net/bridge_impl.h>
52 #include <io/trill_impl.h>
53 #include <sys/mac_impl.h>
54
55 #define ADDR_V6_WIDTH 23
56 #define ADDR_V4_WIDTH 15
57
58 #define NETSTAT_ALL 0x01
59 #define NETSTAT_VERBOSE 0x02
60 #define NETSTAT_ROUTE 0x04
61 #define NETSTAT_V4 0x08
62 #define NETSTAT_V6 0x10
63 #define NETSTAT_UNIX 0x20
64
65 #define NETSTAT_FIRST 0x80000000u
66
67 typedef struct netstat_cb_data_s {
68 uint_t opts;
69 conn_t conn;
70 int af;
71 } netstat_cb_data_t;
72
73 int
74 icmp_stacks_walk_init(mdb_walk_state_t *wsp)
75 {
76 if (mdb_layered_walk("netstack", wsp) == -1) {
77 mdb_warn("can't walk 'netstack'");
78 return (WALK_ERR);
79 }
80 return (WALK_NEXT);
81 }
82
83 int
84 icmp_stacks_walk_step(mdb_walk_state_t *wsp)
85 {
86 uintptr_t kaddr;
87 netstack_t nss;
88
89 if (mdb_vread(&nss, sizeof (nss), wsp->walk_addr) == -1) {
90 mdb_warn("can't read netstack at %p", wsp->walk_addr);
91 return (WALK_ERR);
92 }
93 kaddr = (uintptr_t)nss.netstack_modules[NS_ICMP];
94 return (wsp->walk_callback(kaddr, wsp->walk_layer, wsp->walk_cbdata));
95 }
96
97 int
98 tcp_stacks_walk_init(mdb_walk_state_t *wsp)
99 {
100 if (mdb_layered_walk("netstack", wsp) == -1) {
101 mdb_warn("can't walk 'netstack'");
102 return (WALK_ERR);
103 }
104 return (WALK_NEXT);
105 }
106
107 int
108 tcp_stacks_walk_step(mdb_walk_state_t *wsp)
109 {
110 uintptr_t kaddr;
111 netstack_t nss;
112
113 if (mdb_vread(&nss, sizeof (nss), wsp->walk_addr) == -1) {
114 mdb_warn("can't read netstack at %p", wsp->walk_addr);
115 return (WALK_ERR);
116 }
117 kaddr = (uintptr_t)nss.netstack_modules[NS_TCP];
118 return (wsp->walk_callback(kaddr, wsp->walk_layer, wsp->walk_cbdata));
119 }
120
121 int
122 udp_stacks_walk_init(mdb_walk_state_t *wsp)
123 {
124 if (mdb_layered_walk("netstack", wsp) == -1) {
125 mdb_warn("can't walk 'netstack'");
126 return (WALK_ERR);
127 }
128 return (WALK_NEXT);
129 }
130
131 int
132 udp_stacks_walk_step(mdb_walk_state_t *wsp)
133 {
134 uintptr_t kaddr;
135 netstack_t nss;
136
137 if (mdb_vread(&nss, sizeof (nss), wsp->walk_addr) == -1) {
138 mdb_warn("can't read netstack at %p", wsp->walk_addr);
139 return (WALK_ERR);
140 }
141 kaddr = (uintptr_t)nss.netstack_modules[NS_UDP];
142 return (wsp->walk_callback(kaddr, wsp->walk_layer, wsp->walk_cbdata));
143 }
144
145 /*
146 * Print an IPv4 address and port number in a compact and easy to read format
147 * The arguments are in network byte order
148 */
149 static void
150 net_ipv4addrport_pr(const in6_addr_t *nipv6addr, in_port_t nport)
151 {
152 uint32_t naddr = V4_PART_OF_V6((*nipv6addr));
153
154 mdb_nhconvert(&nport, &nport, sizeof (nport));
155 mdb_printf("%*I.%-5hu", ADDR_V4_WIDTH, naddr, nport);
156 }
157
158 /*
159 * Print an IPv6 address and port number in a compact and easy to read format
160 * The arguments are in network byte order
161 */
162 static void
163 net_ipv6addrport_pr(const in6_addr_t *naddr, in_port_t nport)
164 {
165 mdb_nhconvert(&nport, &nport, sizeof (nport));
166 mdb_printf("%*N.%-5hu", ADDR_V6_WIDTH, naddr, nport);
167 }
168
169 static int
170 net_tcp_active(const tcp_t *tcp)
171 {
172 return (tcp->tcp_state >= TCPS_ESTABLISHED);
173 }
174
175 static int
176 net_tcp_ipv4(const tcp_t *tcp)
177 {
178 return ((tcp->tcp_connp->conn_ipversion == IPV4_VERSION) ||
179 (IN6_IS_ADDR_UNSPECIFIED(&tcp->tcp_connp->conn_laddr_v6) &&
180 (tcp->tcp_state <= TCPS_LISTEN)));
181 }
182
183 static int
184 net_tcp_ipv6(const tcp_t *tcp)
185 {
186 return (tcp->tcp_connp->conn_ipversion == IPV6_VERSION);
187 }
188
189 static int
190 net_udp_active(const udp_t *udp)
191 {
192 return ((udp->udp_state == TS_IDLE) ||
193 (udp->udp_state == TS_DATA_XFER));
194 }
195
196 static int
197 net_udp_ipv4(const udp_t *udp)
198 {
199 return ((udp->udp_connp->conn_ipversion == IPV4_VERSION) ||
200 (IN6_IS_ADDR_UNSPECIFIED(&udp->udp_connp->conn_laddr_v6) &&
201 (udp->udp_state <= TS_IDLE)));
202 }
203
204 static int
205 net_udp_ipv6(const udp_t *udp)
206 {
207 return (udp->udp_connp->conn_ipversion == IPV6_VERSION);
208 }
209
210 int
211 sonode_walk_init(mdb_walk_state_t *wsp)
212 {
213 if (wsp->walk_addr == NULL) {
214 GElf_Sym sym;
215 struct socklist *slp;
216
217 if (mdb_lookup_by_obj("sockfs", "socklist", &sym) == -1) {
218 mdb_warn("failed to lookup sockfs`socklist");
219 return (WALK_ERR);
220 }
221
222 slp = (struct socklist *)(uintptr_t)sym.st_value;
223
224 if (mdb_vread(&wsp->walk_addr, sizeof (wsp->walk_addr),
225 (uintptr_t)&slp->sl_list) == -1) {
226 mdb_warn("failed to read address of initial sonode "
227 "at %p", &slp->sl_list);
228 return (WALK_ERR);
229 }
230 }
231
232 wsp->walk_data = mdb_alloc(sizeof (struct sotpi_sonode), UM_SLEEP);
233 return (WALK_NEXT);
234 }
235
236 int
237 sonode_walk_step(mdb_walk_state_t *wsp)
238 {
239 int status;
240 struct sotpi_sonode *stp;
241
242 if (wsp->walk_addr == NULL)
243 return (WALK_DONE);
244
245 if (mdb_vread(wsp->walk_data, sizeof (struct sotpi_sonode),
246 wsp->walk_addr) == -1) {
247 mdb_warn("failed to read sonode at %p", wsp->walk_addr);
248 return (WALK_ERR);
249 }
250
251 status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
252 wsp->walk_cbdata);
253
254 stp = wsp->walk_data;
255
256 wsp->walk_addr = (uintptr_t)stp->st_info.sti_next_so;
257 return (status);
258 }
259
260 void
261 sonode_walk_fini(mdb_walk_state_t *wsp)
262 {
263 mdb_free(wsp->walk_data, sizeof (struct sotpi_sonode));
264 }
265
266 struct mi_walk_data {
267 uintptr_t mi_wd_miofirst;
268 MI_O mi_wd_miodata;
269 };
270
271 int
272 mi_walk_init(mdb_walk_state_t *wsp)
273 {
274 struct mi_walk_data *wdp;
275
276 if (wsp->walk_addr == NULL) {
277 mdb_warn("mi doesn't support global walks\n");
278 return (WALK_ERR);
279 }
280
281 wdp = mdb_alloc(sizeof (struct mi_walk_data), UM_SLEEP);
282
283 /* So that we do not immediately return WALK_DONE below */
284 wdp->mi_wd_miofirst = NULL;
285
286 wsp->walk_data = wdp;
287 return (WALK_NEXT);
288 }
289
290 int
291 mi_walk_step(mdb_walk_state_t *wsp)
292 {
293 struct mi_walk_data *wdp = wsp->walk_data;
294 MI_OP miop = &wdp->mi_wd_miodata;
295 int status;
296
297 /* Always false in the first iteration */
298 if ((wsp->walk_addr == (uintptr_t)NULL) ||
299 (wsp->walk_addr == wdp->mi_wd_miofirst)) {
300 return (WALK_DONE);
301 }
302
303 if (mdb_vread(miop, sizeof (MI_O), wsp->walk_addr) == -1) {
304 mdb_warn("failed to read MI object at %p", wsp->walk_addr);
305 return (WALK_ERR);
306 }
307
308 /* Only true in the first iteration */
309 if (wdp->mi_wd_miofirst == NULL) {
310 wdp->mi_wd_miofirst = wsp->walk_addr;
311 status = WALK_NEXT;
312 } else {
313 status = wsp->walk_callback(wsp->walk_addr + sizeof (MI_O),
314 &miop[1], wsp->walk_cbdata);
315 }
316
317 wsp->walk_addr = (uintptr_t)miop->mi_o_next;
318 return (status);
319 }
320
321 void
322 mi_walk_fini(mdb_walk_state_t *wsp)
323 {
324 mdb_free(wsp->walk_data, sizeof (struct mi_walk_data));
325 }
326
327 typedef struct mi_payload_walk_arg_s {
328 const char *mi_pwa_walker; /* Underlying walker */
329 const off_t mi_pwa_head_off; /* Offset for mi_o_head_t * in stack */
330 const size_t mi_pwa_size; /* size of mi payload */
331 const uint_t mi_pwa_flags; /* device and/or module */
332 } mi_payload_walk_arg_t;
333
334 #define MI_PAYLOAD_DEVICE 0x1
335 #define MI_PAYLOAD_MODULE 0x2
336
337 int
338 mi_payload_walk_init(mdb_walk_state_t *wsp)
339 {
340 const mi_payload_walk_arg_t *arg = wsp->walk_arg;
341
342 if (mdb_layered_walk(arg->mi_pwa_walker, wsp) == -1) {
343 mdb_warn("can't walk '%s'", arg->mi_pwa_walker);
344 return (WALK_ERR);
345 }
346 return (WALK_NEXT);
347 }
348
349 int
350 mi_payload_walk_step(mdb_walk_state_t *wsp)
351 {
352 const mi_payload_walk_arg_t *arg = wsp->walk_arg;
353 uintptr_t kaddr;
354
355 kaddr = wsp->walk_addr + arg->mi_pwa_head_off;
356
357 if (mdb_vread(&kaddr, sizeof (kaddr), kaddr) == -1) {
358 mdb_warn("can't read address of mi head at %p for %s",
359 kaddr, arg->mi_pwa_walker);
360 return (WALK_ERR);
361 }
362
363 if (kaddr == 0) {
364 /* Empty list */
365 return (WALK_DONE);
366 }
367
368 if (mdb_pwalk("genunix`mi", wsp->walk_callback,
369 wsp->walk_cbdata, kaddr) == -1) {
370 mdb_warn("failed to walk genunix`mi");
371 return (WALK_ERR);
372 }
373 return (WALK_NEXT);
374 }
375
376 const mi_payload_walk_arg_t mi_icmp_arg = {
377 "icmp_stacks", OFFSETOF(icmp_stack_t, is_head), sizeof (icmp_t),
378 MI_PAYLOAD_DEVICE | MI_PAYLOAD_MODULE
379 };
380
381 int
382 sonode(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
383 {
384 const char *optf = NULL;
385 const char *optt = NULL;
386 const char *optp = NULL;
387 int family, type, proto;
388 int filter = 0;
389 struct sonode so;
390
391 if (!(flags & DCMD_ADDRSPEC)) {
392 if (mdb_walk_dcmd("genunix`sonode", "genunix`sonode", argc,
393 argv) == -1) {
394 mdb_warn("failed to walk sonode");
395 return (DCMD_ERR);
396 }
397
398 return (DCMD_OK);
399 }
400
401 if (mdb_getopts(argc, argv,
402 'f', MDB_OPT_STR, &optf,
403 't', MDB_OPT_STR, &optt,
404 'p', MDB_OPT_STR, &optp,
405 NULL) != argc)
406 return (DCMD_USAGE);
407
408 if (optf != NULL) {
409 if (strcmp("inet", optf) == 0)
410 family = AF_INET;
411 else if (strcmp("inet6", optf) == 0)
412 family = AF_INET6;
413 else if (strcmp("unix", optf) == 0)
414 family = AF_UNIX;
415 else
416 family = mdb_strtoull(optf);
417 filter = 1;
418 }
419
420 if (optt != NULL) {
421 if (strcmp("stream", optt) == 0)
422 type = SOCK_STREAM;
423 else if (strcmp("dgram", optt) == 0)
424 type = SOCK_DGRAM;
425 else if (strcmp("raw", optt) == 0)
426 type = SOCK_RAW;
427 else
428 type = mdb_strtoull(optt);
429 filter = 1;
430 }
431
432 if (optp != NULL) {
433 proto = mdb_strtoull(optp);
434 filter = 1;
435 }
436
437 if (DCMD_HDRSPEC(flags) && !filter) {
438 mdb_printf("%<u>%-?s Family Type Proto State Mode Flag "
439 "AccessVP%</u>\n", "Sonode:");
440 }
441
442 if (mdb_vread(&so, sizeof (so), addr) == -1) {
443 mdb_warn("failed to read sonode at %p", addr);
444 return (DCMD_ERR);
445 }
446
447 if ((optf != NULL) && (so.so_family != family))
448 return (DCMD_OK);
449
450 if ((optt != NULL) && (so.so_type != type))
451 return (DCMD_OK);
452
453 if ((optp != NULL) && (so.so_protocol != proto))
454 return (DCMD_OK);
455
456 if (filter) {
457 mdb_printf("%0?p\n", addr);
458 return (DCMD_OK);
459 }
460
461 mdb_printf("%0?p ", addr);
462
463 switch (so.so_family) {
464 case AF_UNIX:
465 mdb_printf("unix ");
466 break;
467 case AF_INET:
468 mdb_printf("inet ");
469 break;
470 case AF_INET6:
471 mdb_printf("inet6 ");
472 break;
473 default:
474 mdb_printf("%6hi", so.so_family);
475 }
476
477 switch (so.so_type) {
478 case SOCK_STREAM:
479 mdb_printf(" strm");
480 break;
481 case SOCK_DGRAM:
482 mdb_printf(" dgrm");
483 break;
484 case SOCK_RAW:
485 mdb_printf(" raw ");
486 break;
487 default:
488 mdb_printf(" %4hi", so.so_type);
489 }
490
491 mdb_printf(" %5hi %05x %04x %04hx\n",
492 so.so_protocol, so.so_state, so.so_mode,
493 so.so_flag);
494
495 return (DCMD_OK);
496 }
497
498 #define MI_PAYLOAD 0x1
499 #define MI_DEVICE 0x2
500 #define MI_MODULE 0x4
501
502 int
503 mi(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
504 {
505 uint_t opts = 0;
506 MI_O mio;
507
508 if (!(flags & DCMD_ADDRSPEC))
509 return (DCMD_USAGE);
510
511 if (mdb_getopts(argc, argv,
512 'p', MDB_OPT_SETBITS, MI_PAYLOAD, &opts,
513 'd', MDB_OPT_SETBITS, MI_DEVICE, &opts,
514 'm', MDB_OPT_SETBITS, MI_MODULE, &opts,
515 NULL) != argc)
516 return (DCMD_USAGE);
517
518 if ((opts & (MI_DEVICE | MI_MODULE)) == (MI_DEVICE | MI_MODULE)) {
519 mdb_warn("at most one filter, d for devices or m "
520 "for modules, may be specified\n");
521 return (DCMD_USAGE);
522 }
523
524 if ((opts == 0) && (DCMD_HDRSPEC(flags))) {
525 mdb_printf("%<u>%-?s %-?s %-?s IsDev Dev%</u>\n",
526 "MI_O", "Next", "Prev");
527 }
528
529 if (mdb_vread(&mio, sizeof (mio), addr) == -1) {
530 mdb_warn("failed to read mi object MI_O at %p", addr);
531 return (DCMD_ERR);
532 }
533
534 if (opts != 0) {
535 if (mio.mi_o_isdev == B_FALSE) {
536 /* mio is a module */
537 if (!(opts & MI_MODULE) && (opts & MI_DEVICE))
538 return (DCMD_OK);
539 } else {
540 /* mio is a device */
541 if (!(opts & MI_DEVICE) && (opts & MI_MODULE))
542 return (DCMD_OK);
543 }
544
545 if (opts & MI_PAYLOAD)
546 mdb_printf("%p\n", addr + sizeof (MI_O));
547 else
548 mdb_printf("%p\n", addr);
549 return (DCMD_OK);
550 }
551
552 mdb_printf("%0?p %0?p %0?p ", addr, mio.mi_o_next, mio.mi_o_prev);
553
554 if (mio.mi_o_isdev == B_FALSE)
555 mdb_printf("FALSE");
556 else
557 mdb_printf("TRUE ");
558
559 mdb_printf(" %0?p\n", mio.mi_o_dev);
560
561 return (DCMD_OK);
562 }
563
564 static int
565 ns_to_stackid(uintptr_t kaddr)
566 {
567 netstack_t nss;
568
569 if (mdb_vread(&nss, sizeof (nss), kaddr) == -1) {
570 mdb_warn("failed to read netstack_t %p", kaddr);
571 return (0);
572 }
573 return (nss.netstack_stackid);
574 }
575
576
577
578 static void
579 netstat_tcp_verbose_pr(const tcp_t *tcp)
580 {
581 mdb_printf(" %5i %08x %08x %5i %08x %08x %5li %5i\n",
582 tcp->tcp_swnd, tcp->tcp_snxt, tcp->tcp_suna, tcp->tcp_rwnd,
583 tcp->tcp_rack, tcp->tcp_rnxt, tcp->tcp_rto, tcp->tcp_mss);
584 }
585
586 /*ARGSUSED*/
587 static int
588 netstat_tcp_cb(uintptr_t kaddr, const void *walk_data, void *cb_data)
589 {
590 netstat_cb_data_t *ncb = cb_data;
591 uint_t opts = ncb->opts;
592 int af = ncb->af;
593 uintptr_t tcp_kaddr;
594 conn_t *connp = &ncb->conn;
595 tcp_t tcps, *tcp;
596
597 if (mdb_vread(connp, sizeof (conn_t), kaddr) == -1) {
598 mdb_warn("failed to read conn_t at %p", kaddr);
599 return (WALK_ERR);
600 }
601
602 tcp_kaddr = (uintptr_t)connp->conn_tcp;
603 if (mdb_vread(&tcps, sizeof (tcp_t), tcp_kaddr) == -1) {
604 mdb_warn("failed to read tcp_t at %p", tcp_kaddr);
605 return (WALK_ERR);
606 }
607
608 tcp = &tcps;
609 connp->conn_tcp = tcp;
610 tcp->tcp_connp = connp;
611
612 if (!((opts & NETSTAT_ALL) || net_tcp_active(tcp)) ||
613 (af == AF_INET && !net_tcp_ipv4(tcp)) ||
614 (af == AF_INET6 && !net_tcp_ipv6(tcp))) {
615 return (WALK_NEXT);
616 }
617
618 mdb_printf("%0?p %2i ", tcp_kaddr, tcp->tcp_state);
619 if (af == AF_INET) {
620 net_ipv4addrport_pr(&connp->conn_laddr_v6, connp->conn_lport);
621 mdb_printf(" ");
622 net_ipv4addrport_pr(&connp->conn_faddr_v6, connp->conn_fport);
623 } else if (af == AF_INET6) {
624 net_ipv6addrport_pr(&connp->conn_laddr_v6, connp->conn_lport);
625 mdb_printf(" ");
626 net_ipv6addrport_pr(&connp->conn_faddr_v6, connp->conn_fport);
627 }
628 mdb_printf(" %5i", ns_to_stackid((uintptr_t)connp->conn_netstack));
629 mdb_printf(" %4i\n", connp->conn_zoneid);
630 if (opts & NETSTAT_VERBOSE)
631 netstat_tcp_verbose_pr(tcp);
632
633 return (WALK_NEXT);
634 }
635
636 /*ARGSUSED*/
637 static int
638 netstat_udp_cb(uintptr_t kaddr, const void *walk_data, void *cb_data)
639 {
640 netstat_cb_data_t *ncb = cb_data;
641 uint_t opts = ncb->opts;
642 int af = ncb->af;
643 udp_t udp;
644 conn_t *connp = &ncb->conn;
645 char *state;
646
647 if (mdb_vread(connp, sizeof (conn_t), kaddr) == -1) {
648 mdb_warn("failed to read conn_t at %p", kaddr);
649 return (WALK_ERR);
650 }
651
652 if (mdb_vread(&udp, sizeof (udp_t),
653 (uintptr_t)connp->conn_udp) == -1) {
654 mdb_warn("failed to read conn_udp at %p",
655 (uintptr_t)connp->conn_udp);
656 return (WALK_ERR);
657 }
658
659 connp->conn_udp = &udp;
660 udp.udp_connp = connp;
661
662 if (!((opts & NETSTAT_ALL) || net_udp_active(&udp)) ||
663 (af == AF_INET && !net_udp_ipv4(&udp)) ||
664 (af == AF_INET6 && !net_udp_ipv6(&udp))) {
665 return (WALK_NEXT);
666 }
667
668 if (udp.udp_state == TS_UNBND)
669 state = "UNBOUND";
670 else if (udp.udp_state == TS_IDLE)
671 state = "IDLE";
672 else if (udp.udp_state == TS_DATA_XFER)
673 state = "CONNECTED";
674 else
675 state = "UNKNOWN";
676
677 mdb_printf("%0?p %10s ", (uintptr_t)connp->conn_udp, state);
678 if (af == AF_INET) {
679 net_ipv4addrport_pr(&connp->conn_laddr_v6, connp->conn_lport);
680 mdb_printf(" ");
681 net_ipv4addrport_pr(&connp->conn_faddr_v6, connp->conn_fport);
682 } else if (af == AF_INET6) {
683 net_ipv6addrport_pr(&connp->conn_laddr_v6, connp->conn_lport);
684 mdb_printf(" ");
685 net_ipv6addrport_pr(&connp->conn_faddr_v6, connp->conn_fport);
686 }
687 mdb_printf(" %5i", ns_to_stackid((uintptr_t)connp->conn_netstack));
688 mdb_printf(" %4i\n", connp->conn_zoneid);
689
690 return (WALK_NEXT);
691 }
692
693 /*ARGSUSED*/
694 static int
695 netstat_icmp_cb(uintptr_t kaddr, const void *walk_data, void *cb_data)
696 {
697 netstat_cb_data_t *ncb = cb_data;
698 int af = ncb->af;
699 icmp_t icmp;
700 conn_t *connp = &ncb->conn;
701 char *state;
702
703 if (mdb_vread(connp, sizeof (conn_t), kaddr) == -1) {
704 mdb_warn("failed to read conn_t at %p", kaddr);
705 return (WALK_ERR);
706 }
707
708 if (mdb_vread(&icmp, sizeof (icmp_t),
709 (uintptr_t)connp->conn_icmp) == -1) {
710 mdb_warn("failed to read conn_icmp at %p",
711 (uintptr_t)connp->conn_icmp);
712 return (WALK_ERR);
713 }
714
715 connp->conn_icmp = &icmp;
716 icmp.icmp_connp = connp;
717
718 if ((af == AF_INET && connp->conn_ipversion != IPV4_VERSION) ||
719 (af == AF_INET6 && connp->conn_ipversion != IPV6_VERSION)) {
720 return (WALK_NEXT);
721 }
722
723 if (icmp.icmp_state == TS_UNBND)
724 state = "UNBOUND";
725 else if (icmp.icmp_state == TS_IDLE)
726 state = "IDLE";
727 else if (icmp.icmp_state == TS_DATA_XFER)
728 state = "CONNECTED";
729 else
730 state = "UNKNOWN";
731
732 mdb_printf("%0?p %10s ", (uintptr_t)connp->conn_icmp, state);
733 if (af == AF_INET) {
734 net_ipv4addrport_pr(&connp->conn_laddr_v6, connp->conn_lport);
735 mdb_printf(" ");
736 net_ipv4addrport_pr(&connp->conn_faddr_v6, connp->conn_fport);
737 } else if (af == AF_INET6) {
738 net_ipv6addrport_pr(&connp->conn_laddr_v6, connp->conn_lport);
739 mdb_printf(" ");
740 net_ipv6addrport_pr(&connp->conn_faddr_v6, connp->conn_fport);
741 }
742 mdb_printf(" %5i", ns_to_stackid((uintptr_t)connp->conn_netstack));
743 mdb_printf(" %4i\n", connp->conn_zoneid);
744
745 return (WALK_NEXT);
746 }
747
748 /*
749 * print the address of a unix domain socket
750 *
751 * so is the address of a AF_UNIX struct sonode in mdb's address space
752 * soa is the address of the struct soaddr to print
753 *
754 * returns 0 on success, -1 otherwise
755 */
756 static int
757 netstat_unix_name_pr(const struct sotpi_sonode *st, const struct soaddr *soa)
758 {
759 const struct sonode *so = &st->st_sonode;
760 const char none[] = " (none)";
761
762 if ((so->so_state & SS_ISBOUND) && (soa->soa_len != 0)) {
763 if (st->st_info.sti_faddr_noxlate) {
764 mdb_printf("%-14s ", " (socketpair)");
765 } else {
766 if (soa->soa_len > sizeof (sa_family_t)) {
767 char addr[MAXPATHLEN + 1];
768
769 if (mdb_readstr(addr, sizeof (addr),
770 (uintptr_t)&soa->soa_sa->sa_data) == -1) {
771 mdb_warn("failed to read unix address "
772 "at %p", &soa->soa_sa->sa_data);
773 return (-1);
774 }
775
776 mdb_printf("%-14s ", addr);
777 } else {
778 mdb_printf("%-14s ", none);
779 }
780 }
781 } else {
782 mdb_printf("%-14s ", none);
783 }
784
785 return (0);
786 }
787
788 /* based on sockfs_snapshot */
789 /*ARGSUSED*/
790 static int
791 netstat_unix_cb(uintptr_t kaddr, const void *walk_data, void *cb_data)
792 {
793 const struct sotpi_sonode *st = walk_data;
794 const struct sonode *so = &st->st_sonode;
795 const struct sotpi_info *sti = &st->st_info;
796
797 if (so->so_count == 0)
798 return (WALK_NEXT);
799
800 if (so->so_family != AF_UNIX) {
801 mdb_warn("sonode of family %hi at %p\n", so->so_family, kaddr);
802 return (WALK_ERR);
803 }
804
805 mdb_printf("%-?p ", kaddr);
806
807 switch (sti->sti_serv_type) {
808 case T_CLTS:
809 mdb_printf("%-10s ", "dgram");
810 break;
811 case T_COTS:
812 mdb_printf("%-10s ", "stream");
813 break;
814 case T_COTS_ORD:
815 mdb_printf("%-10s ", "stream-ord");
816 break;
817 default:
818 mdb_printf("%-10i ", sti->sti_serv_type);
819 }
820
821 if ((so->so_state & SS_ISBOUND) &&
822 (sti->sti_ux_laddr.soua_magic == SOU_MAGIC_EXPLICIT)) {
823 mdb_printf("%0?p ", sti->sti_ux_laddr.soua_vp);
824 } else {
825 mdb_printf("%0?p ", NULL);
826 }
827
828 if ((so->so_state & SS_ISCONNECTED) &&
829 (sti->sti_ux_faddr.soua_magic == SOU_MAGIC_EXPLICIT)) {
830 mdb_printf("%0?p ", sti->sti_ux_faddr.soua_vp);
831 } else {
832 mdb_printf("%0?p ", NULL);
833 }
834
835 if (netstat_unix_name_pr(st, &sti->sti_laddr) == -1)
836 return (WALK_ERR);
837
838 if (netstat_unix_name_pr(st, &sti->sti_faddr) == -1)
839 return (WALK_ERR);
840
841 mdb_printf("%4i\n", so->so_zoneid);
842
843 return (WALK_NEXT);
844 }
845
846 static void
847 netstat_tcp_verbose_header_pr(void)
848 {
849 mdb_printf(" %<u>%-5s %-8s %-8s %-5s %-8s %-8s %5s %5s%</u>\n",
850 "Swind", "Snext", "Suna", "Rwind", "Rack", "Rnext", "Rto", "Mss");
851 }
852
853 static void
854 get_ifname(const ire_t *ire, char *intf)
855 {
856 ill_t ill;
857
858 *intf = '\0';
859 if (ire->ire_ill != NULL) {
860 if (mdb_vread(&ill, sizeof (ill),
861 (uintptr_t)ire->ire_ill) == -1)
862 return;
863 (void) mdb_readstr(intf, MIN(LIFNAMSIZ, ill.ill_name_length),
864 (uintptr_t)ill.ill_name);
865 }
866 }
867
868 const in6_addr_t ipv6_all_ones =
869 { 0xffffffffU, 0xffffffffU, 0xffffffffU, 0xffffffffU };
870
871 static void
872 get_ireflags(const ire_t *ire, char *flags)
873 {
874 (void) strcpy(flags, "U");
875 /* RTF_INDIRECT wins over RTF_GATEWAY - don't display both */
876 if (ire->ire_flags & RTF_INDIRECT)
877 (void) strcat(flags, "I");
878 else if (ire->ire_type & IRE_OFFLINK)
879 (void) strcat(flags, "G");
880
881 /* IRE_IF_CLONE wins over RTF_HOST - don't display both */
882 if (ire->ire_type & IRE_IF_CLONE)
883 (void) strcat(flags, "C");
884 else if (ire->ire_ipversion == IPV4_VERSION) {
885 if (ire->ire_mask == IP_HOST_MASK)
886 (void) strcat(flags, "H");
887 } else {
888 if (IN6_ARE_ADDR_EQUAL(&ire->ire_mask_v6, &ipv6_all_ones))
889 (void) strcat(flags, "H");
890 }
891
892 if (ire->ire_flags & RTF_DYNAMIC)
893 (void) strcat(flags, "D");
894 if (ire->ire_type == IRE_BROADCAST)
895 (void) strcat(flags, "b");
896 if (ire->ire_type == IRE_MULTICAST)
897 (void) strcat(flags, "m");
898 if (ire->ire_type == IRE_LOCAL)
899 (void) strcat(flags, "L");
900 if (ire->ire_type == IRE_NOROUTE)
901 (void) strcat(flags, "N");
902 if (ire->ire_flags & RTF_MULTIRT)
903 (void) strcat(flags, "M");
904 if (ire->ire_flags & RTF_SETSRC)
905 (void) strcat(flags, "S");
906 if (ire->ire_flags & RTF_REJECT)
907 (void) strcat(flags, "R");
908 if (ire->ire_flags & RTF_BLACKHOLE)
909 (void) strcat(flags, "B");
910 }
911
912 static int
913 netstat_irev4_cb(uintptr_t kaddr, const void *walk_data, void *cb_data)
914 {
915 const ire_t *ire = walk_data;
916 uint_t *opts = cb_data;
917 ipaddr_t gate;
918 char flags[10], intf[LIFNAMSIZ + 1];
919
920 if (ire->ire_ipversion != IPV4_VERSION)
921 return (WALK_NEXT);
922
923 /* Skip certain IREs by default */
924 if (!(*opts & NETSTAT_ALL) &&
925 (ire->ire_type &
926 (IRE_BROADCAST|IRE_LOCAL|IRE_MULTICAST|IRE_NOROUTE|IRE_IF_CLONE)))
927 return (WALK_NEXT);
928
929 if (*opts & NETSTAT_FIRST) {
930 *opts &= ~NETSTAT_FIRST;
931 mdb_printf("%<u>%s Table: IPv4%</u>\n",
932 (*opts & NETSTAT_VERBOSE) ? "IRE" : "Routing");
933 if (*opts & NETSTAT_VERBOSE) {
934 mdb_printf("%<u>%-?s %-*s %-*s %-*s Device Mxfrg Rtt "
935 " Ref Flg Out In/Fwd%</u>\n",
936 "Address", ADDR_V4_WIDTH, "Destination",
937 ADDR_V4_WIDTH, "Mask", ADDR_V4_WIDTH, "Gateway");
938 } else {
939 mdb_printf("%<u>%-?s %-*s %-*s Flags Ref Use "
940 "Interface%</u>\n",
941 "Address", ADDR_V4_WIDTH, "Destination",
942 ADDR_V4_WIDTH, "Gateway");
943 }
944 }
945
946 gate = ire->ire_gateway_addr;
947
948 get_ireflags(ire, flags);
949
950 get_ifname(ire, intf);
951
952 if (*opts & NETSTAT_VERBOSE) {
953 mdb_printf("%?p %-*I %-*I %-*I %-6s %5u%c %4u %3u %-3s %5u "
954 "%u\n", kaddr, ADDR_V4_WIDTH, ire->ire_addr, ADDR_V4_WIDTH,
955 ire->ire_mask, ADDR_V4_WIDTH, gate, intf,
956 0, ' ',
957 ire->ire_metrics.iulp_rtt, ire->ire_refcnt, flags,
958 ire->ire_ob_pkt_count, ire->ire_ib_pkt_count);
959 } else {
960 mdb_printf("%?p %-*I %-*I %-5s %4u %5u %s\n", kaddr,
961 ADDR_V4_WIDTH, ire->ire_addr, ADDR_V4_WIDTH, gate, flags,
962 ire->ire_refcnt,
963 ire->ire_ob_pkt_count + ire->ire_ib_pkt_count, intf);
964 }
965
966 return (WALK_NEXT);
967 }
968
969 int
970 ip_mask_to_plen_v6(const in6_addr_t *v6mask)
971 {
972 int plen;
973 int i;
974 uint32_t val;
975
976 for (i = 3; i >= 0; i--)
977 if (v6mask->s6_addr32[i] != 0)
978 break;
979 if (i < 0)
980 return (0);
981 plen = 32 + 32 * i;
982 val = v6mask->s6_addr32[i];
983 while (!(val & 1)) {
984 val >>= 1;
985 plen--;
986 }
987
988 return (plen);
989 }
990
991 static int
992 netstat_irev6_cb(uintptr_t kaddr, const void *walk_data, void *cb_data)
993 {
994 const ire_t *ire = walk_data;
995 uint_t *opts = cb_data;
996 const in6_addr_t *gatep;
997 char deststr[ADDR_V6_WIDTH + 5];
998 char flags[10], intf[LIFNAMSIZ + 1];
999 int masklen;
1000
1001 if (ire->ire_ipversion != IPV6_VERSION)
1002 return (WALK_NEXT);
1003
1004 /* Skip certain IREs by default */
1005 if (!(*opts & NETSTAT_ALL) &&
1006 (ire->ire_type &
1007 (IRE_BROADCAST|IRE_LOCAL|IRE_MULTICAST|IRE_NOROUTE|IRE_IF_CLONE)))
1008 return (WALK_NEXT);
1009
1010 if (*opts & NETSTAT_FIRST) {
1011 *opts &= ~NETSTAT_FIRST;
1012 mdb_printf("\n%<u>%s Table: IPv6%</u>\n",
1013 (*opts & NETSTAT_VERBOSE) ? "IRE" : "Routing");
1014 if (*opts & NETSTAT_VERBOSE) {
1015 mdb_printf("%<u>%-?s %-*s %-*s If PMTU Rtt Ref "
1016 "Flags Out In/Fwd%</u>\n",
1017 "Address", ADDR_V6_WIDTH+4, "Destination/Mask",
1018 ADDR_V6_WIDTH, "Gateway");
1019 } else {
1020 mdb_printf("%<u>%-?s %-*s %-*s Flags Ref Use If"
1021 "%</u>\n",
1022 "Address", ADDR_V6_WIDTH+4, "Destination/Mask",
1023 ADDR_V6_WIDTH, "Gateway");
1024 }
1025 }
1026
1027 gatep = &ire->ire_gateway_addr_v6;
1028
1029 masklen = ip_mask_to_plen_v6(&ire->ire_mask_v6);
1030 (void) mdb_snprintf(deststr, sizeof (deststr), "%N/%d",
1031 &ire->ire_addr_v6, masklen);
1032
1033 get_ireflags(ire, flags);
1034
1035 get_ifname(ire, intf);
1036
1037 if (*opts & NETSTAT_VERBOSE) {
1038 mdb_printf("%?p %-*s %-*N %-5s %5u%c %5u %3u %-5s %6u %u\n",
1039 kaddr, ADDR_V6_WIDTH+4, deststr, ADDR_V6_WIDTH, gatep,
1040 intf, 0, ' ',
1041 ire->ire_metrics.iulp_rtt, ire->ire_refcnt,
1042 flags, ire->ire_ob_pkt_count, ire->ire_ib_pkt_count);
1043 } else {
1044 mdb_printf("%?p %-*s %-*N %-5s %3u %6u %s\n", kaddr,
1045 ADDR_V6_WIDTH+4, deststr, ADDR_V6_WIDTH, gatep, flags,
1046 ire->ire_refcnt,
1047 ire->ire_ob_pkt_count + ire->ire_ib_pkt_count, intf);
1048 }
1049
1050 return (WALK_NEXT);
1051 }
1052
1053 static void
1054 netstat_header_v4(int proto)
1055 {
1056 if (proto == IPPROTO_TCP)
1057 mdb_printf("%<u>%-?s ", "TCPv4");
1058 else if (proto == IPPROTO_UDP)
1059 mdb_printf("%<u>%-?s ", "UDPv4");
1060 else if (proto == IPPROTO_ICMP)
1061 mdb_printf("%<u>%-?s ", "ICMPv4");
1062 mdb_printf("State %6s%*s %6s%*s %-5s %-4s%</u>\n",
1063 "", ADDR_V4_WIDTH, "Local Address",
1064 "", ADDR_V4_WIDTH, "Remote Address", "Stack", "Zone");
1065 }
1066
1067 static void
1068 netstat_header_v6(int proto)
1069 {
1070 if (proto == IPPROTO_TCP)
1071 mdb_printf("%<u>%-?s ", "TCPv6");
1072 else if (proto == IPPROTO_UDP)
1073 mdb_printf("%<u>%-?s ", "UDPv6");
1074 else if (proto == IPPROTO_ICMP)
1075 mdb_printf("%<u>%-?s ", "ICMPv6");
1076 mdb_printf("State %6s%*s %6s%*s %-5s %-4s%</u>\n",
1077 "", ADDR_V6_WIDTH, "Local Address",
1078 "", ADDR_V6_WIDTH, "Remote Address", "Stack", "Zone");
1079 }
1080
1081 static int
1082 netstat_print_conn(const char *cache, int proto, mdb_walk_cb_t cbfunc,
1083 void *cbdata)
1084 {
1085 netstat_cb_data_t *ncb = cbdata;
1086
1087 if ((ncb->opts & NETSTAT_VERBOSE) && proto == IPPROTO_TCP)
1088 netstat_tcp_verbose_header_pr();
1089 if (mdb_walk(cache, cbfunc, cbdata) == -1) {
1090 mdb_warn("failed to walk %s", cache);
1091 return (DCMD_ERR);
1092 }
1093 return (DCMD_OK);
1094 }
1095
1096 static int
1097 netstat_print_common(const char *cache, int proto, mdb_walk_cb_t cbfunc,
1098 void *cbdata)
1099 {
1100 netstat_cb_data_t *ncb = cbdata;
1101 int af = ncb->af;
1102 int status = DCMD_OK;
1103
1104 if (af != AF_INET6) {
1105 ncb->af = AF_INET;
1106 netstat_header_v4(proto);
1107 status = netstat_print_conn(cache, proto, cbfunc, cbdata);
1108 }
1109 if (status == DCMD_OK && af != AF_INET) {
1110 ncb->af = AF_INET6;
1111 netstat_header_v6(proto);
1112 status = netstat_print_conn(cache, proto, cbfunc, cbdata);
1113 }
1114 ncb->af = af;
1115 return (status);
1116 }
1117
1118 /*ARGSUSED*/
1119 int
1120 netstat(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1121 {
1122 uint_t opts = 0;
1123 const char *optf = NULL;
1124 const char *optP = NULL;
1125 netstat_cb_data_t *cbdata;
1126 int status;
1127 int af = 0;
1128
1129 if (mdb_getopts(argc, argv,
1130 'a', MDB_OPT_SETBITS, NETSTAT_ALL, &opts,
1131 'f', MDB_OPT_STR, &optf,
1132 'P', MDB_OPT_STR, &optP,
1133 'r', MDB_OPT_SETBITS, NETSTAT_ROUTE, &opts,
1134 'v', MDB_OPT_SETBITS, NETSTAT_VERBOSE, &opts,
1135 NULL) != argc)
1136 return (DCMD_USAGE);
1137
1138 if (optP != NULL) {
1139 if ((strcmp("tcp", optP) != 0) && (strcmp("udp", optP) != 0) &&
1140 (strcmp("icmp", optP) != 0))
1141 return (DCMD_USAGE);
1142 if (opts & NETSTAT_ROUTE)
1143 return (DCMD_USAGE);
1144 }
1145
1146 if (optf == NULL)
1147 opts |= NETSTAT_V4 | NETSTAT_V6 | NETSTAT_UNIX;
1148 else if (strcmp("inet", optf) == 0)
1149 opts |= NETSTAT_V4;
1150 else if (strcmp("inet6", optf) == 0)
1151 opts |= NETSTAT_V6;
1152 else if (strcmp("unix", optf) == 0)
1153 opts |= NETSTAT_UNIX;
1154 else
1155 return (DCMD_USAGE);
1156
1157 if (opts & NETSTAT_ROUTE) {
1158 if (!(opts & (NETSTAT_V4|NETSTAT_V6)))
1159 return (DCMD_USAGE);
1160 if (opts & NETSTAT_V4) {
1161 opts |= NETSTAT_FIRST;
1162 if (mdb_walk("ip`ire", netstat_irev4_cb, &opts) == -1) {
1163 mdb_warn("failed to walk ip`ire");
1164 return (DCMD_ERR);
1165 }
1166 }
1167 if (opts & NETSTAT_V6) {
1168 opts |= NETSTAT_FIRST;
1169 if (mdb_walk("ip`ire", netstat_irev6_cb, &opts) == -1) {
1170 mdb_warn("failed to walk ip`ire");
1171 return (DCMD_ERR);
1172 }
1173 }
1174 return (DCMD_OK);
1175 }
1176
1177 if ((opts & NETSTAT_UNIX) && (optP == NULL)) {
1178 /* Print Unix Domain Sockets */
1179 mdb_printf("%<u>%-?s %-10s %-?s %-?s %-14s %-14s %s%</u>\n",
1180 "AF_UNIX", "Type", "Vnode", "Conn", "Local Addr",
1181 "Remote Addr", "Zone");
1182
1183 if (mdb_walk("genunix`sonode", netstat_unix_cb, NULL) == -1) {
1184 mdb_warn("failed to walk genunix`sonode");
1185 return (DCMD_ERR);
1186 }
1187 if (!(opts & (NETSTAT_V4 | NETSTAT_V6)))
1188 return (DCMD_OK);
1189 }
1190
1191 cbdata = mdb_alloc(sizeof (netstat_cb_data_t), UM_SLEEP);
1192 cbdata->opts = opts;
1193 if ((optf != NULL) && (opts & NETSTAT_V4))
1194 af = AF_INET;
1195 else if ((optf != NULL) && (opts & NETSTAT_V6))
1196 af = AF_INET6;
1197
1198 cbdata->af = af;
1199 if ((optP == NULL) || (strcmp("tcp", optP) == 0)) {
1200 status = netstat_print_common("tcp_conn_cache", IPPROTO_TCP,
1201 netstat_tcp_cb, cbdata);
1202 if (status != DCMD_OK)
1203 goto out;
1204 }
1205
1206 if ((optP == NULL) || (strcmp("udp", optP) == 0)) {
1207 status = netstat_print_common("udp_conn_cache", IPPROTO_UDP,
1208 netstat_udp_cb, cbdata);
1209 if (status != DCMD_OK)
1210 goto out;
1211 }
1212
1213 if ((optP == NULL) || (strcmp("icmp", optP) == 0)) {
1214 status = netstat_print_common("rawip_conn_cache", IPPROTO_ICMP,
1215 netstat_icmp_cb, cbdata);
1216 if (status != DCMD_OK)
1217 goto out;
1218 }
1219 out:
1220 mdb_free(cbdata, sizeof (netstat_cb_data_t));
1221 return (status);
1222 }
1223
1224 /*
1225 * "::dladm show-bridge" support
1226 */
1227 typedef struct {
1228 uint_t opt_l;
1229 uint_t opt_f;
1230 uint_t opt_t;
1231 const char *name;
1232 clock_t lbolt;
1233 boolean_t found;
1234 uint_t nlinks;
1235 uint_t nfwd;
1236
1237 /*
1238 * These structures are kept inside the 'args' for allocation reasons.
1239 * They're all large data structures (over 1K), and may cause the stack
1240 * to explode. mdb and kmdb will fail in these cases, and thus we
1241 * allocate them from the heap.
1242 */
1243 trill_inst_t ti;
1244 bridge_link_t bl;
1245 mac_impl_t mi;
1246 } show_bridge_args_t;
1247
1248 static void
1249 show_vlans(const uint8_t *vlans)
1250 {
1251 int i, bit;
1252 uint8_t val;
1253 int rstart = -1, rnext = -1;
1254
1255 for (i = 0; i < BRIDGE_VLAN_ARR_SIZE; i++) {
1256 val = vlans[i];
1257 if (i == 0)
1258 val &= ~1;
1259 while ((bit = mdb_ffs(val)) != 0) {
1260 bit--;
1261 val &= ~(1 << bit);
1262 bit += i * sizeof (*vlans) * NBBY;
1263 if (bit != rnext) {
1264 if (rnext != -1 && rstart + 1 != rnext)
1265 mdb_printf("-%d", rnext - 1);
1266 if (rstart != -1)
1267 mdb_printf(",");
1268 mdb_printf("%d", bit);
1269 rstart = bit;
1270 }
1271 rnext = bit + 1;
1272 }
1273 }
1274 if (rnext != -1 && rstart + 1 != rnext)
1275 mdb_printf("-%d", rnext - 1);
1276 mdb_printf("\n");
1277 }
1278
1279 /*
1280 * This callback is invoked by a walk of the links attached to a bridge. If
1281 * we're showing link details, then they're printed here. If not, then we just
1282 * count up the links for the bridge summary.
1283 */
1284 static int
1285 do_bridge_links(uintptr_t addr, const void *data, void *ptr)
1286 {
1287 show_bridge_args_t *args = ptr;
1288 const bridge_link_t *blp = data;
1289 char macaddr[ETHERADDRL * 3];
1290 const char *name;
1291
1292 args->nlinks++;
1293
1294 if (!args->opt_l)
1295 return (WALK_NEXT);
1296
1297 if (mdb_vread(&args->mi, sizeof (args->mi),
1298 (uintptr_t)blp->bl_mh) == -1) {
1299 mdb_warn("cannot read mac data at %p", blp->bl_mh);
1300 name = "?";
1301 } else {
1302 name = args->mi.mi_name;
1303 }
1304
1305 mdb_mac_addr(blp->bl_local_mac, ETHERADDRL, macaddr,
1306 sizeof (macaddr));
1307
1308 mdb_printf("%-?p %-16s %-17s %03X %-4d ", addr, name, macaddr,
1309 blp->bl_flags, blp->bl_pvid);
1310
1311 if (blp->bl_trilldata == NULL) {
1312 switch (blp->bl_state) {
1313 case BLS_BLOCKLISTEN:
1314 name = "BLOCK";
1315 break;
1316 case BLS_LEARNING:
1317 name = "LEARN";
1318 break;
1319 case BLS_FORWARDING:
1320 name = "FWD";
1321 break;
1322 default:
1323 name = "?";
1324 }
1325 mdb_printf("%-5s ", name);
1326 show_vlans(blp->bl_vlans);
1327 } else {
1328 show_vlans(blp->bl_afs);
1329 }
1330
1331 return (WALK_NEXT);
1332 }
1333
1334 /*
1335 * It seems a shame to duplicate this code, but merging it with the link
1336 * printing code above is more trouble than it would be worth.
1337 */
1338 static void
1339 print_link_name(show_bridge_args_t *args, uintptr_t addr, char sep)
1340 {
1341 const char *name;
1342
1343 if (mdb_vread(&args->bl, sizeof (args->bl), addr) == -1) {
1344 mdb_warn("cannot read bridge link at %p", addr);
1345 return;
1346 }
1347
1348 if (mdb_vread(&args->mi, sizeof (args->mi),
1349 (uintptr_t)args->bl.bl_mh) == -1) {
1350 name = "?";
1351 } else {
1352 name = args->mi.mi_name;
1353 }
1354
1355 mdb_printf("%s%c", name, sep);
1356 }
1357
1358 static int
1359 do_bridge_fwd(uintptr_t addr, const void *data, void *ptr)
1360 {
1361 show_bridge_args_t *args = ptr;
1362 const bridge_fwd_t *bfp = data;
1363 char macaddr[ETHERADDRL * 3];
1364 int i;
1365 #define MAX_FWD_LINKS 16
1366 bridge_link_t *links[MAX_FWD_LINKS];
1367 uint_t nlinks;
1368
1369 args->nfwd++;
1370
1371 if (!args->opt_f)
1372 return (WALK_NEXT);
1373
1374 if ((nlinks = bfp->bf_nlinks) > MAX_FWD_LINKS)
1375 nlinks = MAX_FWD_LINKS;
1376
1377 if (mdb_vread(links, sizeof (links[0]) * nlinks,
1378 (uintptr_t)bfp->bf_links) == -1) {
1379 mdb_warn("cannot read bridge forwarding links at %p",
1380 bfp->bf_links);
1381 return (WALK_ERR);
1382 }
1383
1384 mdb_mac_addr(bfp->bf_dest, ETHERADDRL, macaddr, sizeof (macaddr));
1385
1386 mdb_printf("%-?p %-17s ", addr, macaddr);
1387 if (bfp->bf_flags & BFF_LOCALADDR)
1388 mdb_printf("%-7s", "[self]");
1389 else
1390 mdb_printf("t-%-5d", args->lbolt - bfp->bf_lastheard);
1391 mdb_printf(" %-7u ", bfp->bf_refs);
1392
1393 if (bfp->bf_trill_nick != 0) {
1394 mdb_printf("%d\n", bfp->bf_trill_nick);
1395 } else {
1396 for (i = 0; i < bfp->bf_nlinks; i++) {
1397 print_link_name(args, (uintptr_t)links[i],
1398 i == bfp->bf_nlinks - 1 ? '\n' : ' ');
1399 }
1400 }
1401
1402 return (WALK_NEXT);
1403 }
1404
1405 static int
1406 do_show_bridge(uintptr_t addr, const void *data, void *ptr)
1407 {
1408 show_bridge_args_t *args = ptr;
1409 bridge_inst_t bi;
1410 const bridge_inst_t *bip;
1411 trill_node_t tn;
1412 trill_sock_t tsp;
1413 trill_nickinfo_t tni;
1414 char bname[MAXLINKNAMELEN];
1415 char macaddr[ETHERADDRL * 3];
1416 char *cp;
1417 uint_t nnicks;
1418 int i;
1419
1420 if (data != NULL) {
1421 bip = data;
1422 } else {
1423 if (mdb_vread(&bi, sizeof (bi), addr) == -1) {
1424 mdb_warn("cannot read bridge instance at %p", addr);
1425 return (WALK_ERR);
1426 }
1427 bip = &bi;
1428 }
1429
1430 (void) strncpy(bname, bip->bi_name, sizeof (bname) - 1);
1431 bname[MAXLINKNAMELEN - 1] = '\0';
1432 cp = bname + strlen(bname);
1433 if (cp > bname && cp[-1] == '0')
1434 cp[-1] = '\0';
1435
1436 if (args->name != NULL && strcmp(args->name, bname) != 0)
1437 return (WALK_NEXT);
1438
1439 args->found = B_TRUE;
1440 args->nlinks = args->nfwd = 0;
1441
1442 if (args->opt_l) {
1443 mdb_printf("%-?s %-16s %-17s %3s %-4s ", "ADDR", "LINK",
1444 "MAC-ADDR", "FLG", "PVID");
1445 if (bip->bi_trilldata == NULL)
1446 mdb_printf("%-5s %s\n", "STATE", "VLANS");
1447 else
1448 mdb_printf("%s\n", "FWD-VLANS");
1449 }
1450
1451 if (!args->opt_f && !args->opt_t &&
1452 mdb_pwalk("list", do_bridge_links, args,
1453 addr + offsetof(bridge_inst_t, bi_links)) != DCMD_OK)
1454 return (WALK_ERR);
1455
1456 if (args->opt_f)
1457 mdb_printf("%-?s %-17s %-7s %-7s %s\n", "ADDR", "DEST", "TIME",
1458 "REFS", "OUTPUT");
1459
1460 if (!args->opt_l && !args->opt_t &&
1461 mdb_pwalk("avl", do_bridge_fwd, args,
1462 addr + offsetof(bridge_inst_t, bi_fwd)) != DCMD_OK)
1463 return (WALK_ERR);
1464
1465 nnicks = 0;
1466 if (bip->bi_trilldata != NULL && !args->opt_l && !args->opt_f) {
1467 if (mdb_vread(&args->ti, sizeof (args->ti),
1468 (uintptr_t)bip->bi_trilldata) == -1) {
1469 mdb_warn("cannot read trill instance at %p",
1470 bip->bi_trilldata);
1471 return (WALK_ERR);
1472 }
1473 if (args->opt_t)
1474 mdb_printf("%-?s %-5s %-17s %s\n", "ADDR",
1475 "NICK", "NEXT-HOP", "LINK");
1476 for (i = 0; i < RBRIDGE_NICKNAME_MAX; i++) {
1477 if (args->ti.ti_nodes[i] == NULL)
1478 continue;
1479 if (args->opt_t) {
1480 if (mdb_vread(&tn, sizeof (tn),
1481 (uintptr_t)args->ti.ti_nodes[i]) == -1) {
1482 mdb_warn("cannot read trill node %d at "
1483 "%p", i, args->ti.ti_nodes[i]);
1484 return (WALK_ERR);
1485 }
1486 if (mdb_vread(&tni, sizeof (tni),
1487 (uintptr_t)tn.tn_ni) == -1) {
1488 mdb_warn("cannot read trill node info "
1489 "%d at %p", i, tn.tn_ni);
1490 return (WALK_ERR);
1491 }
1492 mdb_mac_addr(tni.tni_adjsnpa, ETHERADDRL,
1493 macaddr, sizeof (macaddr));
1494 if (tni.tni_nick == args->ti.ti_nick) {
1495 (void) strcpy(macaddr, "[self]");
1496 }
1497 mdb_printf("%-?p %-5u %-17s ",
1498 args->ti.ti_nodes[i], tni.tni_nick,
1499 macaddr);
1500 if (tn.tn_tsp != NULL) {
1501 if (mdb_vread(&tsp, sizeof (tsp),
1502 (uintptr_t)tn.tn_tsp) == -1) {
1503 mdb_warn("cannot read trill "
1504 "socket info at %p",
1505 tn.tn_tsp);
1506 return (WALK_ERR);
1507 }
1508 if (tsp.ts_link != NULL) {
1509 print_link_name(args,
1510 (uintptr_t)tsp.ts_link,
1511 '\n');
1512 continue;
1513 }
1514 }
1515 mdb_printf("--\n");
1516 } else {
1517 nnicks++;
1518 }
1519 }
1520 } else {
1521 if (args->opt_t)
1522 mdb_printf("bridge is not running TRILL\n");
1523 }
1524
1525 if (!args->opt_l && !args->opt_f && !args->opt_t) {
1526 mdb_printf("%-?p %-7s %-16s %-7u %-7u", addr,
1527 bip->bi_trilldata == NULL ? "stp" : "trill", bname,
1528 args->nlinks, args->nfwd);
1529 if (bip->bi_trilldata != NULL)
1530 mdb_printf(" %-7u %u\n", nnicks, args->ti.ti_nick);
1531 else
1532 mdb_printf(" %-7s %s\n", "--", "--");
1533 }
1534 return (WALK_NEXT);
1535 }
1536
1537 static int
1538 dladm_show_bridge(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1539 {
1540 show_bridge_args_t *args;
1541 GElf_Sym sym;
1542 int i;
1543
1544 args = mdb_zalloc(sizeof (*args), UM_SLEEP);
1545
1546 i = mdb_getopts(argc, argv,
1547 'l', MDB_OPT_SETBITS, 1, &args->opt_l,
1548 'f', MDB_OPT_SETBITS, 1, &args->opt_f,
1549 't', MDB_OPT_SETBITS, 1, &args->opt_t,
1550 NULL);
1551
1552 argc -= i;
1553 argv += i;
1554
1555 if (argc > 1 || (argc == 1 && argv[0].a_type != MDB_TYPE_STRING)) {
1556 mdb_free(args, sizeof (*args));
1557 return (DCMD_USAGE);
1558 }
1559 if (argc == 1)
1560 args->name = argv[0].a_un.a_str;
1561
1562 if ((args->lbolt = mdb_get_lbolt()) == -1) {
1563 mdb_warn("failed to read lbolt");
1564 goto err;
1565 }
1566
1567 if (flags & DCMD_ADDRSPEC) {
1568 if (args->name != NULL) {
1569 mdb_printf("bridge name and address are mutually "
1570 "exclusive\n");
1571 goto err;
1572 }
1573 if (!args->opt_l && !args->opt_f && !args->opt_t)
1574 mdb_printf("%-?s %-7s %-16s %-7s %-7s\n", "ADDR",
1575 "PROTECT", "NAME", "NLINKS", "NFWD");
1576 if (do_show_bridge(addr, NULL, args) != WALK_NEXT)
1577 goto err;
1578 mdb_free(args, sizeof (*args));
1579 return (DCMD_OK);
1580 } else {
1581 if ((args->opt_l || args->opt_f || args->opt_t) &&
1582 args->name == NULL) {
1583 mdb_printf("need bridge name or address with -[lft]\n");
1584 goto err;
1585 }
1586 if (mdb_lookup_by_obj("bridge", "inst_list", &sym) == -1) {
1587 mdb_warn("failed to find 'bridge`inst_list'");
1588 goto err;
1589 }
1590 if (!args->opt_l && !args->opt_f && !args->opt_t)
1591 mdb_printf("%-?s %-7s %-16s %-7s %-7s %-7s %s\n",
1592 "ADDR", "PROTECT", "NAME", "NLINKS", "NFWD",
1593 "NNICKS", "NICK");
1594 if (mdb_pwalk("list", do_show_bridge, args,
1595 (uintptr_t)sym.st_value) != DCMD_OK)
1596 goto err;
1597 if (!args->found && args->name != NULL) {
1598 mdb_printf("bridge instance %s not found\n",
1599 args->name);
1600 goto err;
1601 }
1602 mdb_free(args, sizeof (*args));
1603 return (DCMD_OK);
1604 }
1605
1606 err:
1607 mdb_free(args, sizeof (*args));
1608 return (DCMD_ERR);
1609 }
1610
1611 /*
1612 * Support for the "::dladm" dcmd
1613 */
1614 int
1615 dladm(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1616 {
1617 if (argc < 1 || argv[0].a_type != MDB_TYPE_STRING)
1618 return (DCMD_USAGE);
1619
1620 /*
1621 * This could be a bit more elaborate, once we support more of the
1622 * dladm show-* subcommands.
1623 */
1624 argc--;
1625 argv++;
1626 if (strcmp(argv[-1].a_un.a_str, "show-bridge") == 0)
1627 return (dladm_show_bridge(addr, flags, argc, argv));
1628
1629 return (DCMD_USAGE);
1630 }
1631
1632 void
1633 dladm_help(void)
1634 {
1635 mdb_printf("Subcommands:\n"
1636 " show-bridge [-flt] [<name>]\n"
1637 "\t Show bridge information; -l for links and -f for "
1638 "forwarding\n"
1639 "\t entries, and -t for TRILL nicknames. Address is required "
1640 "if name\n"
1641 "\t is not specified.\n");
1642 }