FreeBSD/Linux Kernel Cross Reference
sys/kern/uipc_debug.c
1 /*-
2 * Copyright (c) 2007 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 /*
28 * Debugger routines relating to sockets, protocols, etc, for use in DDB.
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33
34 #include "opt_ddb.h"
35
36 #include <sys/param.h>
37 #include <sys/domain.h>
38 #include <sys/kernel.h>
39 #include <sys/protosw.h>
40 #include <sys/socket.h>
41 #include <sys/socketvar.h>
42
43 #ifdef DDB
44 #include <ddb/ddb.h>
45
46 static void
47 db_print_sotype(short so_type)
48 {
49
50 switch (so_type) {
51 case SOCK_STREAM:
52 db_printf("SOCK_STREAM");
53 break;
54
55 case SOCK_DGRAM:
56 db_printf("SOCK_DGRAM");
57 break;
58
59 case SOCK_RAW:
60 db_printf("SOCK_RAW");
61 break;
62
63 case SOCK_RDM:
64 db_printf("SOCK_RDM");
65 break;
66
67 case SOCK_SEQPACKET:
68 db_printf("SOCK_SEQPACKET");
69 break;
70
71 default:
72 db_printf("unknown");
73 break;
74 }
75 }
76
77 static void
78 db_print_sooptions(short so_options)
79 {
80 int comma;
81
82 comma = 0;
83 if (so_options & SO_DEBUG) {
84 db_printf("%sSO_DEBUG", comma ? ", " : "");
85 comma = 1;
86 }
87 if (so_options & SO_ACCEPTCONN) {
88 db_printf("%sSO_ACCEPTCONN", comma ? ", " : "");
89 comma = 1;
90 }
91 if (so_options & SO_REUSEADDR) {
92 db_printf("%sSO_REUSEADDR", comma ? ", " : "");
93 comma = 1;
94 }
95 if (so_options & SO_KEEPALIVE) {
96 db_printf("%sSO_KEEPALIVE", comma ? ", " : "");
97 comma = 1;
98 }
99 if (so_options & SO_DONTROUTE) {
100 db_printf("%sSO_DONTROUTE", comma ? ", " : "");
101 comma = 1;
102 }
103 if (so_options & SO_BROADCAST) {
104 db_printf("%sSO_BROADCAST", comma ? ", " : "");
105 comma = 1;
106 }
107 if (so_options & SO_USELOOPBACK) {
108 db_printf("%sSO_USELOOPBACK", comma ? ", " : "");
109 comma = 1;
110 }
111 if (so_options & SO_LINGER) {
112 db_printf("%sSO_LINGER", comma ? ", " : "");
113 comma = 1;
114 }
115 if (so_options & SO_OOBINLINE) {
116 db_printf("%sSO_OOBINLINE", comma ? ", " : "");
117 comma = 1;
118 }
119 if (so_options & SO_REUSEPORT) {
120 db_printf("%sSO_REUSEPORT", comma ? ", " : "");
121 comma = 1;
122 }
123 if (so_options & SO_TIMESTAMP) {
124 db_printf("%sSO_TIMESTAMP", comma ? ", " : "");
125 comma = 1;
126 }
127 if (so_options & SO_NOSIGPIPE) {
128 db_printf("%sSO_NOSIGPIPE", comma ? ", " : "");
129 comma = 1;
130 }
131 if (so_options & SO_ACCEPTFILTER) {
132 db_printf("%sSO_ACCEPTFILTER", comma ? ", " : "");
133 comma = 1;
134 }
135 if (so_options & SO_BINTIME) {
136 db_printf("%sSO_BINTIME", comma ? ", " : "");
137 comma = 1;
138 }
139 if (so_options & SO_NO_OFFLOAD) {
140 db_printf("%sSO_NO_OFFLOAD", comma ? ", " : "");
141 comma = 1;
142 }
143 if (so_options & SO_NO_DDP) {
144 db_printf("%sSO_NO_DDP", comma ? ", " : "");
145 comma = 1;
146 }
147 }
148
149 static void
150 db_print_sostate(short so_state)
151 {
152 int comma;
153
154 comma = 0;
155 if (so_state & SS_NOFDREF) {
156 db_printf("%sSS_NOFDREF", comma ? ", " : "");
157 comma = 1;
158 }
159 if (so_state & SS_ISCONNECTED) {
160 db_printf("%sSS_ISCONNECTED", comma ? ", " : "");
161 comma = 1;
162 }
163 if (so_state & SS_ISCONNECTING) {
164 db_printf("%sSS_ISCONNECTING", comma ? ", " : "");
165 comma = 1;
166 }
167 if (so_state & SS_ISDISCONNECTING) {
168 db_printf("%sSS_ISDISCONNECTING", comma ? ", " : "");
169 comma = 1;
170 }
171 if (so_state & SS_NBIO) {
172 db_printf("%sSS_NBIO", comma ? ", " : "");
173 comma = 1;
174 }
175 if (so_state & SS_ASYNC) {
176 db_printf("%sSS_ASYNC", comma ? ", " : "");
177 comma = 1;
178 }
179 if (so_state & SS_ISCONFIRMING) {
180 db_printf("%sSS_ISCONFIRMING", comma ? ", " : "");
181 comma = 1;
182 }
183 if (so_state & SS_PROTOREF) {
184 db_printf("%sSS_PROTOREF", comma ? ", " : "");
185 comma = 1;
186 }
187 }
188
189 static void
190 db_print_soqstate(int so_qstate)
191 {
192 int comma;
193
194 comma = 0;
195 if (so_qstate & SQ_INCOMP) {
196 db_printf("%sSQ_INCOMP", comma ? ", " : "");
197 comma = 1;
198 }
199 if (so_qstate & SQ_COMP) {
200 db_printf("%sSQ_COMP", comma ? ", " : "");
201 comma = 1;
202 }
203 }
204
205 static void
206 db_print_sbstate(short sb_state)
207 {
208 int comma;
209
210 comma = 0;
211 if (sb_state & SBS_CANTSENDMORE) {
212 db_printf("%sSS_CANTSENDMORE", comma ? ", " : "");
213 comma = 1;
214 }
215 if (sb_state & SBS_CANTRCVMORE) {
216 db_printf("%sSS_CANTRCVMORE", comma ? ", " : "");
217 comma = 1;
218 }
219 if (sb_state & SBS_RCVATMARK) {
220 db_printf("%sSS_RCVATMARK", comma ? ", " : "");
221 comma = 1;
222 }
223 }
224
225 static void
226 db_print_indent(int indent)
227 {
228 int i;
229
230 for (i = 0; i < indent; i++)
231 db_printf(" ");
232 }
233
234 static void
235 db_print_domain(struct domain *d, const char *domain_name, int indent)
236 {
237
238 db_print_indent(indent);
239 db_printf("%s at %p\n", domain_name, d);
240
241 indent += 2;
242
243 db_print_indent(indent);
244 db_printf("dom_family: %d ", d->dom_family);
245 db_printf("dom_name: %s\n", d->dom_name);
246
247 db_print_indent(indent);
248 db_printf("dom_init: %p ", d->dom_init);
249 db_printf("dom_externalize: %p ", d->dom_externalize);
250 db_printf("dom_dispose: %p\n", d->dom_dispose);
251
252 db_print_indent(indent);
253 db_printf("dom_protosw: %p ", d->dom_protosw);
254 db_printf("dom_next: %p\n", d->dom_next);
255
256 db_print_indent(indent);
257 db_printf("dom_rtattach: %p ", d->dom_rtattach);
258 db_printf("dom_rtoffset: %d ", d->dom_rtoffset);
259 db_printf("dom_maxrtkey: %d\n", d->dom_maxrtkey);
260
261 db_print_indent(indent);
262 db_printf("dom_ifattach: %p ", d->dom_ifattach);
263 db_printf("dom_ifdetach: %p\n", d->dom_ifdetach);
264 }
265
266 static void
267 db_print_prflags(short pr_flags)
268 {
269 int comma;
270
271 comma = 0;
272 if (pr_flags & PR_ATOMIC) {
273 db_printf("%sPR_ATOMIC", comma ? ", " : "");
274 comma = 1;
275 }
276 if (pr_flags & PR_ADDR) {
277 db_printf("%sPR_ADDR", comma ? ", " : "");
278 comma = 1;
279 }
280 if (pr_flags & PR_CONNREQUIRED) {
281 db_printf("%sPR_CONNREQUIRED", comma ? ", " : "");
282 comma = 1;
283 }
284 if (pr_flags & PR_WANTRCVD) {
285 db_printf("%sPR_WANTRCVD", comma ? ", " : "");
286 comma = 1;
287 }
288 if (pr_flags & PR_RIGHTS) {
289 db_printf("%sPR_RIGHTS", comma ? ", " : "");
290 comma = 1;
291 }
292 if (pr_flags & PR_IMPLOPCL) {
293 db_printf("%sPR_IMPLOPCL", comma ? ", " : "");
294 comma = 1;
295 }
296 if (pr_flags & PR_LASTHDR) {
297 db_printf("%sPR_LASTHDR", comma ? ", " : "");
298 comma = 1;
299 }
300 }
301
302 static void
303 db_print_protosw(struct protosw *pr, const char *prname, int indent)
304 {
305
306 db_print_indent(indent);
307 db_printf("%s at %p\n", prname, pr);
308
309 indent += 2;
310
311 db_print_indent(indent);
312 db_printf("pr_type: %d ", pr->pr_type);
313 db_printf("pr_domain: %p\n", pr->pr_domain);
314 if (pr->pr_domain != NULL)
315 db_print_domain(pr->pr_domain, "pr_domain", indent);
316
317 db_print_indent(indent);
318 db_printf("pr_protocol: %d\n", pr->pr_protocol);
319
320 db_print_indent(indent);
321 db_printf("pr_flags: %d (", pr->pr_flags);
322 db_print_prflags(pr->pr_flags);
323 db_printf(")\n");
324
325 db_print_indent(indent);
326 db_printf("pr_input: %p ", pr->pr_input);
327 db_printf("pr_output: %p ", pr->pr_output);
328 db_printf("pr_ctlinput: %p\n", pr->pr_ctlinput);
329
330 db_print_indent(indent);
331 db_printf("pr_ctloutput: %p ", pr->pr_ctloutput);
332 db_printf("pr_init: %p\n", pr->pr_init);
333
334 db_print_indent(indent);
335 db_printf("pr_fasttimo: %p ", pr->pr_fasttimo);
336 db_printf("pr_slowtimo: %p ", pr->pr_slowtimo);
337 db_printf("pr_drain: %p\n", pr->pr_drain);
338
339 db_print_indent(indent);
340 }
341
342 static void
343 db_print_sbflags(short sb_flags)
344 {
345 int comma;
346
347 comma = 0;
348 if (sb_flags & SB_WAIT) {
349 db_printf("%sSB_WAIT", comma ? ", " : "");
350 comma = 1;
351 }
352 if (sb_flags & SB_SEL) {
353 db_printf("%sSB_SEL", comma ? ", " : "");
354 comma = 1;
355 }
356 if (sb_flags & SB_ASYNC) {
357 db_printf("%sSB_ASYNC", comma ? ", " : "");
358 comma = 1;
359 }
360 if (sb_flags & SB_UPCALL) {
361 db_printf("%sSB_UPCALL", comma ? ", " : "");
362 comma = 1;
363 }
364 if (sb_flags & SB_NOINTR) {
365 db_printf("%sSB_NOINTR", comma ? ", " : "");
366 comma = 1;
367 }
368 if (sb_flags & SB_AIO) {
369 db_printf("%sSB_AIO", comma ? ", " : "");
370 comma = 1;
371 }
372 if (sb_flags & SB_KNOTE) {
373 db_printf("%sSB_KNOTE", comma ? ", " : "");
374 comma = 1;
375 }
376 if (sb_flags & SB_AUTOSIZE) {
377 db_printf("%sSB_AUTOSIZE", comma ? ", " : "");
378 comma = 1;
379 }
380 }
381
382 static void
383 db_print_sockbuf(struct sockbuf *sb, const char *sockbufname, int indent)
384 {
385
386 db_print_indent(indent);
387 db_printf("%s at %p\n", sockbufname, sb);
388
389 indent += 2;
390
391 db_print_indent(indent);
392 db_printf("sb_state: 0x%x (", sb->sb_state);
393 db_print_sbstate(sb->sb_state);
394 db_printf(")\n");
395
396 db_print_indent(indent);
397 db_printf("sb_mb: %p ", sb->sb_mb);
398 db_printf("sb_mbtail: %p ", sb->sb_mbtail);
399 db_printf("sb_lastrecord: %p\n", sb->sb_lastrecord);
400
401 db_print_indent(indent);
402 db_printf("sb_sndptr: %p ", sb->sb_sndptr);
403 db_printf("sb_sndptroff: %u\n", sb->sb_sndptroff);
404
405 db_print_indent(indent);
406 db_printf("sb_cc: %u ", sb->sb_cc);
407 db_printf("sb_hiwat: %u ", sb->sb_hiwat);
408 db_printf("sb_mbcnt: %u ", sb->sb_mbcnt);
409 db_printf("sb_mbmax: %u\n", sb->sb_mbmax);
410
411 db_print_indent(indent);
412 db_printf("sb_ctl: %u ", sb->sb_ctl);
413 db_printf("sb_lowat: %d ", sb->sb_lowat);
414 db_printf("sb_timeo: %d\n", sb->sb_timeo);
415
416 db_print_indent(indent);
417 db_printf("sb_flags: 0x%x (", sb->sb_flags);
418 db_print_sbflags(sb->sb_flags);
419 db_printf(")\n");
420 }
421
422 static void
423 db_print_socket(struct socket *so, const char *socketname, int indent)
424 {
425
426 db_print_indent(indent);
427 db_printf("%s at %p\n", socketname, so);
428
429 indent += 2;
430
431 db_print_indent(indent);
432 db_printf("so_count: %d ", so->so_count);
433 db_printf("so_type: %d (", so->so_type);
434 db_print_sotype(so->so_type);
435 db_printf(")\n");
436
437 db_print_indent(indent);
438 db_printf("so_options: 0x%x (", so->so_options);
439 db_print_sooptions(so->so_options);
440 db_printf(")\n");
441
442 db_print_indent(indent);
443 db_printf("so_linger: %d ", so->so_linger);
444 db_printf("so_state: 0x%x (", so->so_state);
445 db_print_sostate(so->so_state);
446 db_printf(")\n");
447
448 db_print_indent(indent);
449 db_printf("so_qstate: 0x%x (", so->so_qstate);
450 db_print_soqstate(so->so_qstate);
451 db_printf(") ");
452 db_printf("so_pcb: %p ", so->so_pcb);
453 db_printf("so_proto: %p\n", so->so_proto);
454
455 if (so->so_proto != NULL)
456 db_print_protosw(so->so_proto, "so_proto", indent);
457
458 db_print_indent(indent);
459 db_printf("so_head: %p ", so->so_head);
460 db_printf("so_incomp first: %p ", TAILQ_FIRST(&so->so_incomp));
461 db_printf("so_comp first: %p\n", TAILQ_FIRST(&so->so_comp));
462
463 db_print_indent(indent);
464 /* so_list skipped */
465 db_printf("so_qlen: %d ", so->so_qlen);
466 db_printf("so_incqlen: %d ", so->so_incqlen);
467 db_printf("so_qlimit: %d ", so->so_qlimit);
468 db_printf("so_timeo: %d ", so->so_timeo);
469 db_printf("so_error: %d\n", so->so_error);
470
471 db_print_indent(indent);
472 db_printf("so_sigio: %p ", so->so_sigio);
473 db_printf("so_oobmark: %lu ", so->so_oobmark);
474 db_printf("so_aiojobq first: %p\n", TAILQ_FIRST(&so->so_aiojobq));
475
476 db_print_sockbuf(&so->so_rcv, "so_rcv", indent);
477 db_print_sockbuf(&so->so_snd, "so_snd", indent);
478 }
479
480 DB_SHOW_COMMAND(socket, db_show_socket)
481 {
482 struct socket *so;
483
484 if (!have_addr) {
485 db_printf("usage: show socket <addr>\n");
486 return;
487 }
488 so = (struct socket *)addr;
489
490 db_print_socket(so, "socket", 0);
491 }
492
493 DB_SHOW_COMMAND(sockbuf, db_show_sockbuf)
494 {
495 struct sockbuf *sb;
496
497 if (!have_addr) {
498 db_printf("usage: show sockbuf <addr>\n");
499 return;
500 }
501 sb = (struct sockbuf *)addr;
502
503 db_print_sockbuf(sb, "sockbuf", 0);
504 }
505
506 DB_SHOW_COMMAND(protosw, db_show_protosw)
507 {
508 struct protosw *pr;
509
510 if (!have_addr) {
511 db_printf("usage: show protosw <addr>\n");
512 return;
513 }
514 pr = (struct protosw *)addr;
515
516 db_print_protosw(pr, "protosw", 0);
517 }
518
519 DB_SHOW_COMMAND(domain, db_show_domain)
520 {
521 struct domain *d;
522
523 if (!have_addr) {
524 db_printf("usage: show protosw <addr>\n");
525 return;
526 }
527 d = (struct domain *)addr;
528
529 db_print_domain(d, "domain", 0);
530 }
531 #endif
Cache object: 9003ff08e7213b7dc843e2bea601cca2
|