uipc_debug.c revision 169236
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: head/sys/kern/uipc_debug.c 169236 2007-05-03 14:42:42Z rwatson $"); 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 46static void 47db_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 77static void 78db_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} 140 141static void 142db_print_sostate(short so_state) 143{ 144 int comma; 145 146 comma = 0; 147 if (so_state & SS_NOFDREF) { 148 db_printf("%sSS_FDREF", comma ? ", " : ""); 149 comma = 1; 150 } 151 if (so_state & SS_ISCONNECTED) { 152 db_printf("%sSS_ISCONNECTED", comma ? ", " : ""); 153 comma = 1; 154 } 155 if (so_state & SS_ISCONNECTING) { 156 db_printf("%sSS_ISCONNECTING", comma ? ", " : ""); 157 comma = 1; 158 } 159 if (so_state & SS_ISDISCONNECTING) { 160 db_printf("%sSS_ISDISCONNECTING", comma ? ", " : ""); 161 comma = 1; 162 } 163 if (so_state & SS_NBIO) { 164 db_printf("%sSS_NBIO", comma ? ", " : ""); 165 comma = 1; 166 } 167 if (so_state & SS_ASYNC) { 168 db_printf("%sSS_ASYNC", comma ? ", " : ""); 169 comma = 1; 170 } 171 if (so_state & SS_ISCONFIRMING) { 172 db_printf("%sSS_ISCONFIRMING", comma ? ", " : ""); 173 comma = 1; 174 } 175 comma = 0; 176 if (so_state & SS_PROTOREF) { 177 db_printf("%sSS_PROTOREF", comma ? ", " : ""); 178 comma = 1; 179 } 180} 181 182static void 183db_print_soqstate(int so_qstate) 184{ 185 int comma; 186 187 comma = 0; 188 if (so_qstate & SQ_INCOMP) { 189 db_printf("%sSQ_INCOMP", comma ? ", " : ""); 190 comma = 1; 191 } 192 if (so_qstate & SQ_COMP) { 193 db_printf("%sSQ_COMP", comma ? ", " : ""); 194 comma = 1; 195 } 196} 197 198static void 199db_print_sbstate(short sb_state) 200{ 201 int comma; 202 203 comma = 0; 204 if (sb_state & SBS_CANTSENDMORE) { 205 db_printf("%sSS_CANTSENDMORE", comma ? ", " : ""); 206 comma = 1; 207 } 208 if (sb_state & SBS_CANTRCVMORE) { 209 db_printf("%sSS_CANTRCVMORE", comma ? ", " : ""); 210 comma = 1; 211 } 212 if (sb_state & SBS_RCVATMARK) { 213 db_printf("%sSS_RCVATMARK", comma ? ", " : ""); 214 comma = 1; 215 } 216} 217 218static void 219db_print_indent(int indent) 220{ 221 int i; 222 223 for (i = 0; i < indent; i++) 224 db_printf(" "); 225} 226 227static void 228db_print_domain(struct domain *d, const char *domainname, int indent) 229{ 230 231 db_print_indent(indent); 232 db_printf("%s at %p\n", domainname, d); 233 234 indent += 2; 235 236 db_print_indent(indent); 237 db_printf("dom_family: %d ", d->dom_family); 238 db_printf("dom_name: %s\n", d->dom_name); 239 240 db_print_indent(indent); 241 db_printf("dom_init: %p ", d->dom_init); 242 db_printf("dom_externalize: %p ", d->dom_externalize); 243 db_printf("dom_dispose: %p\n", d->dom_dispose); 244 245 db_print_indent(indent); 246 db_printf("dom_protosw: %p ", d->dom_protosw); 247 db_printf("dom_next: %p\n", d->dom_next); 248 249 db_print_indent(indent); 250 db_printf("dom_rtattach: %p ", d->dom_rtattach); 251 db_printf("dom_rtoffset: %d ", d->dom_rtoffset); 252 db_printf("dom_maxrtkey: %d\n", d->dom_maxrtkey); 253 254 db_print_indent(indent); 255 db_printf("dom_ifattach: %p ", d->dom_ifattach); 256 db_printf("dom_ifdetach: %p\n", d->dom_ifdetach); 257} 258 259static void 260db_print_prflags(short pr_flags) 261{ 262 int comma; 263 264 comma = 0; 265 if (pr_flags & PR_ATOMIC) { 266 db_printf("%sPR_ATOMIC", comma ? ", " : ""); 267 comma = 1; 268 } 269 if (pr_flags & PR_ADDR) { 270 db_printf("%sPR_ADDR", comma ? ", " : ""); 271 comma = 1; 272 } 273 if (pr_flags & PR_CONNREQUIRED) { 274 db_printf("%sPR_CONNREQUIRED", comma ? ", " : ""); 275 comma = 1; 276 } 277 if (pr_flags & PR_WANTRCVD) { 278 db_printf("%sPR_WANTRCVD", comma ? ", " : ""); 279 comma = 1; 280 } 281 if (pr_flags & PR_RIGHTS) { 282 db_printf("%sPR_RIGHTS", comma ? ", " : ""); 283 comma = 1; 284 } 285 if (pr_flags & PR_IMPLOPCL) { 286 db_printf("%sPR_IMPLOPCL", comma ? ", " : ""); 287 comma = 1; 288 } 289 if (pr_flags & PR_LASTHDR) { 290 db_printf("%sPR_LASTHDR", comma ? ", " : ""); 291 comma = 1; 292 } 293} 294 295static void 296db_print_protosw(struct protosw *pr, const char *prname, int indent) 297{ 298 299 db_print_indent(indent); 300 db_printf("%s at %p\n", prname, pr); 301 302 indent += 2; 303 304 db_print_indent(indent); 305 db_printf("pr_type: %d ", pr->pr_type); 306 db_printf("pr_domain: %p\n", pr->pr_domain); 307 if (pr->pr_domain != NULL) 308 db_print_domain(pr->pr_domain, "pr_domain", indent); 309 310 db_print_indent(indent); 311 db_printf("pr_protocol: %d\n", pr->pr_protocol); 312 313 db_print_indent(indent); 314 db_printf("pr_flags: %d (", pr->pr_flags); 315 db_print_prflags(pr->pr_flags); 316 db_printf(")\n"); 317 318 db_print_indent(indent); 319 db_printf("pr_input: %p ", pr->pr_input); 320 db_printf("pr_output: %p ", pr->pr_output); 321 db_printf("pr_ctlinput: %p\n", pr->pr_ctlinput); 322 323 db_print_indent(indent); 324 db_printf("pr_ctloutput: %p ", pr->pr_ctloutput); 325 db_printf("pr_ousrreq: %p ", pr->pr_ousrreq); 326 db_printf("pr_init: %p\n", pr->pr_init); 327 328 db_print_indent(indent); 329 db_printf("pr_fasttimo: %p ", pr->pr_fasttimo); 330 db_printf("pr_slowtimo: %p ", pr->pr_slowtimo); 331 db_printf("pr_drain: %p\n", pr->pr_drain); 332 333 db_print_indent(indent); 334 db_printf("pr_ousrreq: %p\n", pr->pr_ousrreq); 335} 336 337static void 338db_print_sbflags(short sb_flags) 339{ 340 int comma; 341 342 comma = 0; 343 if (sb_flags & SB_WAIT) { 344 db_printf("%sSB_WAIT", comma ? ", " : ""); 345 comma = 1; 346 } 347 if (sb_flags & SB_SEL) { 348 db_printf("%sSB_SEL", comma ? ", " : ""); 349 comma = 1; 350 } 351 if (sb_flags & SB_ASYNC) { 352 db_printf("%sSB_ASYNC", comma ? ", " : ""); 353 comma = 1; 354 } 355 if (sb_flags & SB_UPCALL) { 356 db_printf("%sSB_UPCALL", comma ? ", " : ""); 357 comma = 1; 358 } 359 if (sb_flags & SB_NOINTR) { 360 db_printf("%sSB_NOINTR", comma ? ", " : ""); 361 comma = 1; 362 } 363 if (sb_flags & SB_AIO) { 364 db_printf("%sSB_AIO", comma ? ", " : ""); 365 comma = 1; 366 } 367 if (sb_flags & SB_KNOTE) { 368 db_printf("%sSB_KNOTE", comma ? ", " : ""); 369 comma = 1; 370 } 371 if (sb_flags & SB_AUTOSIZE) { 372 db_printf("%sSB_AUTOSIZE", comma ? ", " : ""); 373 comma = 1; 374 } 375} 376 377static void 378db_print_sockbuf(struct sockbuf *sb, const char *sockbufname, int indent) 379{ 380 381 db_print_indent(indent); 382 db_printf("%s at %p\n", sockbufname, sb); 383 384 indent += 2; 385 386 db_print_indent(indent); 387 db_printf("sb_state: 0x%x (", sb->sb_state); 388 db_print_sbstate(sb->sb_state); 389 db_printf(")\n"); 390 391 db_print_indent(indent); 392 db_printf("sb_mb: %p ", sb->sb_mb); 393 db_printf("sb_mbtail: %p ", sb->sb_mbtail); 394 db_printf("sb_lastrecord: %p\n", sb->sb_lastrecord); 395 396 db_print_indent(indent); 397 db_printf("sb_cc: %d ", sb->sb_cc); 398 db_printf("sb_hiwat: %d ", sb->sb_hiwat); 399 db_printf("sb_mbcnt: %d ", sb->sb_mbcnt); 400 db_printf("sb_mbmax: %d\n", sb->sb_mbmax); 401 402 db_print_indent(indent); 403 db_printf("sb_ctl: %d ", sb->sb_ctl); 404 db_printf("sb_lowat: %d ", sb->sb_lowat); 405 db_printf("sb_timeo: %d\n", sb->sb_timeo); 406 407 db_print_indent(indent); 408 db_printf("sb_flags: 0x%x (", sb->sb_flags); 409 db_print_sbflags(sb->sb_flags); 410 db_printf(")\n"); 411} 412 413static void 414db_print_socket(struct socket *so, const char *socketname, int indent) 415{ 416 417 db_print_indent(indent); 418 db_printf("%s at %p\n", socketname, so); 419 420 indent += 2; 421 422 db_print_indent(indent); 423 db_printf("so_count: %d ", so->so_count); 424 db_printf("so_type: %d (", so->so_type); 425 db_print_sotype(so->so_type); 426 db_printf(")\n"); 427 428 db_print_indent(indent); 429 db_printf("so_options: 0x%x (", so->so_options); 430 db_print_sooptions(so->so_options); 431 db_printf(")\n"); 432 433 db_print_indent(indent); 434 db_printf("so_linger: %d ", so->so_linger); 435 db_printf("so_state: 0x%x (", so->so_state); 436 db_print_sostate(so->so_state); 437 db_printf(")\n"); 438 439 db_print_indent(indent); 440 db_printf("so_qstate: 0x%x (", so->so_qstate); 441 db_print_soqstate(so->so_qstate); 442 db_printf(") "); 443 db_printf("so_pcb: %p ", so->so_pcb); 444 db_printf("so_proto: %p\n", so->so_proto); 445 446 if (so->so_proto != NULL) 447 db_print_protosw(so->so_proto, "so_proto", indent); 448 449 db_print_indent(indent); 450 db_printf("so_head: %p ", so->so_head); 451 db_printf("so_incomp first: %p ", TAILQ_FIRST(&so->so_incomp)); 452 db_printf("so_comp first: %p\n", TAILQ_FIRST(&so->so_comp)); 453 454 db_print_indent(indent); 455 /* so_list skipped */ 456 db_printf("so_qlen: %d ", so->so_qlen); 457 db_printf("so_incqlen: %d ", so->so_incqlen); 458 db_printf("so_qlimit: %d ", so->so_qlimit); 459 db_printf("so_timeo: %d ", so->so_timeo); 460 db_printf("so_error: %d\n", so->so_error); 461 462 db_print_indent(indent); 463 db_printf("so_sigio: %p ", so->so_sigio); 464 db_printf("so_oobmark: %lu ", so->so_oobmark); 465 db_printf("so_aiojobq first: %p\n", TAILQ_FIRST(&so->so_aiojobq)); 466 467 db_print_sockbuf(&so->so_rcv, "so_rcv", indent); 468 db_print_sockbuf(&so->so_snd, "so_snd", indent); 469} 470 471DB_SHOW_COMMAND(socket, db_show_socket) 472{ 473 struct socket *so; 474 475 if (!have_addr) { 476 db_printf("usage: show socket <addr>\n"); 477 return; 478 } 479 so = (struct socket *)addr; 480 481 db_print_socket(so, "socket", 0); 482} 483 484DB_SHOW_COMMAND(sockbuf, db_show_sockbuf) 485{ 486 struct sockbuf *sb; 487 488 if (!have_addr) { 489 db_printf("usage: show sockbuf <addr>\n"); 490 return; 491 } 492 sb = (struct sockbuf *)addr; 493 494 db_print_sockbuf(sb, "sockbuf", 0); 495} 496 497DB_SHOW_COMMAND(protosw, db_show_protosw) 498{ 499 struct protosw *pr; 500 501 if (!have_addr) { 502 db_printf("usage: show protosw <addr>\n"); 503 return; 504 } 505 pr = (struct protosw *)addr; 506 507 db_print_protosw(pr, "protosw", 0); 508} 509 510DB_SHOW_COMMAND(domain, db_show_domain) 511{ 512 struct domain *d; 513 514 if (!have_addr) { 515 db_printf("usage: show protosw <addr>\n"); 516 return; 517 } 518 d = (struct domain *)addr; 519 520 db_print_domain(d, "domain", 0); 521} 522#endif 523