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 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <sys/types.h> 28 #include <sys/stream.h> 29 #include <sys/mdb_modapi.h> 30 #include <sys/socket.h> 31 #include <sys/list.h> 32 #include <sys/strsun.h> 33 34 #include <mdb/mdb_stdlib.h> 35 36 #include <netinet/in.h> 37 #include <netinet/ip6.h> 38 #include <netinet/sctp.h> 39 40 #include <inet/common.h> 41 #include <inet/ip.h> 42 #include <inet/ip6.h> 43 #include <inet/ipclassifier.h> 44 45 #include <sctp/sctp_impl.h> 46 #include <sctp/sctp_addr.h> 47 48 #define MDB_SCTP_SHOW_FLAGS 0x1 49 #define MDB_SCTP_DUMP_ADDRS 0x2 50 #define MDB_SCTP_SHOW_HASH 0x4 51 #define MDB_SCTP_SHOW_OUT 0x8 52 #define MDB_SCTP_SHOW_IN 0x10 53 #define MDB_SCTP_SHOW_MISC 0x20 54 #define MDB_SCTP_SHOW_RTT 0x40 55 #define MDB_SCTP_SHOW_STATS 0x80 56 #define MDB_SCTP_SHOW_FLOW 0x100 57 #define MDB_SCTP_SHOW_HDR 0x200 58 #define MDB_SCTP_SHOW_PMTUD 0x400 59 #define MDB_SCTP_SHOW_RXT 0x800 60 #define MDB_SCTP_SHOW_CONN 0x1000 61 #define MDB_SCTP_SHOW_CLOSE 0x2000 62 #define MDB_SCTP_SHOW_EXT 0x4000 63 64 #define MDB_SCTP_SHOW_ALL 0xffffffff 65 66 /* 67 * Copy from usr/src/uts/common/os/list.c. Should we have a generic 68 * mdb list walker? 69 */ 70 #define list_object(a, node) ((void *)(((char *)node) - (a)->list_offset)) 71 72 static int 73 ns_to_stackid(uintptr_t kaddr) 74 { 75 netstack_t nss; 76 77 if (mdb_vread(&nss, sizeof (nss), kaddr) == -1) { 78 mdb_warn("failed to read netdstack info %p", kaddr); 79 return (0); 80 } 81 return (nss.netstack_stackid); 82 } 83 84 int 85 sctp_stacks_walk_init(mdb_walk_state_t *wsp) 86 { 87 if (mdb_layered_walk("netstack", wsp) == -1) { 88 mdb_warn("can't walk 'netstack'"); 89 return (WALK_ERR); 90 } 91 return (WALK_NEXT); 92 } 93 94 int 95 sctp_stacks_walk_step(mdb_walk_state_t *wsp) 96 { 97 uintptr_t kaddr; 98 netstack_t nss; 99 100 if (mdb_vread(&nss, sizeof (nss), wsp->walk_addr) == -1) { 101 mdb_warn("can't read netstack at %p", wsp->walk_addr); 102 return (WALK_ERR); 103 } 104 kaddr = (uintptr_t)nss.netstack_modules[NS_SCTP]; 105 return (wsp->walk_callback(kaddr, wsp->walk_layer, wsp->walk_cbdata)); 106 } 107 108 static char * 109 sctp_faddr_state(int state) 110 { 111 char *statestr; 112 113 switch (state) { 114 case SCTP_FADDRS_UNREACH: 115 statestr = "Unreachable"; 116 break; 117 case SCTP_FADDRS_DOWN: 118 statestr = "Down"; 119 break; 120 case SCTP_FADDRS_ALIVE: 121 statestr = "Alive"; 122 break; 123 case SCTP_FADDRS_UNCONFIRMED: 124 statestr = "Unconfirmed"; 125 break; 126 default: 127 statestr = "Unknown"; 128 break; 129 } 130 return (statestr); 131 } 132 133 /* ARGSUSED */ 134 static int 135 sctp_faddr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 136 { 137 sctp_faddr_t fa[1]; 138 char *statestr; 139 140 if (!(flags & DCMD_ADDRSPEC)) 141 return (DCMD_USAGE); 142 143 if (mdb_vread(fa, sizeof (*fa), addr) == -1) { 144 mdb_warn("cannot read fadder at %p", addr); 145 return (DCMD_ERR); 146 } 147 148 statestr = sctp_faddr_state(fa->state); 149 mdb_printf("%<u>%p\t%<b>%N%</b>\t%s%</u>\n", addr, &fa->faddr, 150 statestr); 151 mdb_printf("next\t\t%?p\tsaddr\t%N\n", fa->next, &fa->saddr); 152 mdb_printf("rto\t\t%?d\tsrtt\t\t%?d\n", fa->rto, fa->srtt); 153 mdb_printf("rttvar\t\t%?d\trtt_updates\t%?u\n", fa->rttvar, 154 fa->rtt_updates); 155 mdb_printf("strikes\t\t%?d\tmax_retr\t%?d\n", fa->strikes, 156 fa->max_retr); 157 mdb_printf("hb_expiry\t%?ld\thb_interval\t%?u\n", fa->hb_expiry, 158 fa->hb_interval); 159 mdb_printf("pmss\t\t%?u\tcwnd\t\t%?u\n", fa->sfa_pmss, fa->cwnd); 160 mdb_printf("ssthresh\t%?u\tsuna\t\t%?u\n", fa->ssthresh, fa->suna); 161 mdb_printf("pba\t\t%?u\tacked\t\t%?u\n", fa->pba, fa->acked); 162 mdb_printf("lastactive\t%?ld\thb_secret\t%?#lx\n", fa->lastactive, 163 fa->hb_secret); 164 mdb_printf("rxt_unacked\t%?u\n", fa->rxt_unacked); 165 mdb_printf("timer_mp\t%?p\tixa\t\t%?p\n", fa->timer_mp, fa->ixa); 166 mdb_printf("hb_enabled\t%?d\thb_pending\t%?d\n" 167 "timer_running\t%?d\tdf\t\t%?d\n" 168 "pmtu_discovered\t%?d\tisv4\t\t%?d\n" 169 "retransmissions\t%?u\n", 170 fa->hb_enabled, fa->hb_pending, fa->timer_running, fa->df, 171 fa->pmtu_discovered, fa->isv4, fa->T3expire); 172 173 return (DCMD_OK); 174 } 175 176 static void 177 print_set(sctp_set_t *sp) 178 { 179 mdb_printf("\tbegin\t%<b>%?x%</b>\t\tend\t%<b>%?x%</b>\n", 180 sp->begin, sp->end); 181 mdb_printf("\tnext\t%?p\tprev\t%?p\n", sp->next, sp->prev); 182 } 183 184 /* ARGSUSED */ 185 static int 186 sctp_set(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 187 { 188 sctp_set_t sp[1]; 189 190 if (!(flags & DCMD_ADDRSPEC)) 191 return (DCMD_USAGE); 192 193 if (mdb_vread(sp, sizeof (*sp), addr) == -1) 194 return (DCMD_ERR); 195 196 print_set(sp); 197 198 return (DCMD_OK); 199 } 200 201 static void 202 dump_sack_info(uintptr_t addr) 203 { 204 sctp_set_t sp[1]; 205 206 while (addr != 0) { 207 if (mdb_vread(sp, sizeof (*sp), addr) == -1) { 208 mdb_warn("failed to read sctp_set at %p", addr); 209 return; 210 } 211 212 addr = (uintptr_t)sp->next; 213 print_set(sp); 214 } 215 } 216 217 static int 218 dump_msghdr(mblk_t *meta) 219 { 220 sctp_msg_hdr_t smh; 221 222 if (mdb_vread(&smh, sizeof (smh), (uintptr_t)meta->b_rptr) == -1) 223 return (-1); 224 225 mdb_printf("%<u>msg_hdr_t at \t%?p\tsentto\t%?p%</u>\n", 226 meta->b_rptr, SCTP_CHUNK_DEST(meta)); 227 mdb_printf("\tttl\t%?ld\ttob\t%?ld\n", smh.smh_ttl, smh.smh_tob); 228 mdb_printf("\tsid\t%?u\tssn\t%?u\n", smh.smh_sid, smh.smh_ssn); 229 mdb_printf("\tppid\t%?u\tflags\t%?s\n", smh.smh_ppid, 230 smh.smh_flags & MSG_UNORDERED ? "unordered" : " "); 231 mdb_printf("\tcontext\t%?u\tmsglen\t%?d\n", smh.smh_context, 232 smh.smh_msglen); 233 234 return (0); 235 } 236 237 static int 238 dump_datahdr(mblk_t *mp) 239 { 240 sctp_data_hdr_t sdc; 241 uint16_t sdh_int16; 242 uint32_t sdh_int32; 243 244 if (mdb_vread(&sdc, sizeof (sdc), (uintptr_t)mp->b_rptr) == -1) 245 return (-1); 246 247 mdb_printf("%<u>data_chunk_t \t%?p\tsentto\t%?p%</u>\n", 248 mp->b_rptr, SCTP_CHUNK_DEST(mp)); 249 mdb_printf("\tsent\t%?d\t", SCTP_CHUNK_ISSENT(mp)?1:0); 250 mdb_printf("retrans\t%?d\n", SCTP_CHUNK_WANT_REXMIT(mp)?1:0); 251 mdb_printf("\tacked\t%?d\t", SCTP_CHUNK_ISACKED(mp)?1:0); 252 mdb_printf("sackcnt\t%?u\n", SCTP_CHUNK_SACKCNT(mp)); 253 254 mdb_nhconvert(&sdh_int16, &sdc.sdh_len, sizeof (sdc.sdh_len)); 255 mdb_printf("\tlen\t%?d\t", sdh_int16); 256 mdb_printf("BBIT=%d", SCTP_DATA_GET_BBIT(&sdc) == 0 ? 0 : 1); 257 mdb_printf("EBIT=%d", SCTP_DATA_GET_EBIT(&sdc) == 0 ? 0 : 1); 258 259 mdb_nhconvert(&sdh_int32, &sdc.sdh_tsn, sizeof (sdc.sdh_tsn)); 260 mdb_nhconvert(&sdh_int16, &sdc.sdh_sid, sizeof (sdc.sdh_sid)); 261 mdb_printf("\ttsn\t%?x\tsid\t%?hu\n", sdh_int32, sdh_int16); 262 263 mdb_nhconvert(&sdh_int16, &sdc.sdh_ssn, sizeof (sdc.sdh_ssn)); 264 mdb_nhconvert(&sdh_int32, &sdc.sdh_payload_id, 265 sizeof (sdc.sdh_payload_id)); 266 mdb_printf("\tssn\t%?hu\tppid\t%?d\n", sdh_int16, sdh_int32); 267 268 return (0); 269 } 270 271 static int 272 sctp_sent_list(mblk_t *addr) 273 { 274 mblk_t meta, mp; 275 276 if (!addr) 277 return (0); 278 279 if (mdb_vread(&meta, sizeof (meta), (uintptr_t)addr) == -1) 280 return (-1); 281 282 for (;;) { 283 dump_msghdr(&meta); 284 285 if (meta.b_cont == NULL) { 286 mdb_printf("No data chunks with message header!\n"); 287 return (-1); 288 } 289 if (mdb_vread(&mp, sizeof (mp), 290 (uintptr_t)meta.b_cont) == -1) { 291 return (-1); 292 } 293 for (;;) { 294 dump_datahdr(&mp); 295 if (!mp.b_next) 296 break; 297 298 if (mdb_vread(&mp, sizeof (mp), 299 (uintptr_t)(mp.b_next)) == -1) 300 return (-1); 301 } 302 if (meta.b_next == NULL) 303 break; 304 if (mdb_vread(&meta, sizeof (meta), 305 (uintptr_t)meta.b_next) == -1) 306 return (-1); 307 } 308 309 return (0); 310 } 311 312 static int 313 sctp_unsent_list(mblk_t *addr) 314 { 315 mblk_t meta; 316 317 if (!addr) 318 return (0); 319 320 if (mdb_vread(&meta, sizeof (meta), (uintptr_t)addr) == -1) 321 return (-1); 322 323 for (;;) { 324 dump_msghdr(&meta); 325 326 if (meta.b_next == NULL) 327 break; 328 329 if (mdb_vread(&meta, sizeof (meta), 330 (uintptr_t)meta.b_next) == -1) 331 return (-1); 332 } 333 334 return (0); 335 } 336 337 /* ARGSUSED */ 338 static int 339 sctp_xmit_list(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av) 340 { 341 sctp_t sctp; 342 343 if (!(flags & DCMD_ADDRSPEC)) 344 return (DCMD_USAGE); 345 346 if (mdb_vread(&sctp, sizeof (sctp), addr) == -1) 347 return (DCMD_ERR); 348 349 mdb_printf("%<b>Chunkified TX list%</b>\n"); 350 if (sctp_sent_list(sctp.sctp_xmit_head) < 0) 351 return (DCMD_ERR); 352 353 mdb_printf("%<b>Unchunkified TX list%</b>\n"); 354 if (sctp_unsent_list(sctp.sctp_xmit_unsent) < 0) 355 return (DCMD_ERR); 356 357 return (DCMD_OK); 358 } 359 360 /* ARGSUSED */ 361 static int 362 sctp_mdata_chunk(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av) 363 { 364 sctp_data_hdr_t dc; 365 mblk_t mp; 366 367 if (!(flags & DCMD_ADDRSPEC)) 368 return (DCMD_USAGE); 369 370 if (mdb_vread(&mp, sizeof (mp), addr) == -1) 371 return (DCMD_ERR); 372 373 if (mdb_vread(&dc, sizeof (dc), (uintptr_t)mp.b_rptr) == -1) 374 return (DCMD_ERR); 375 376 mdb_printf("%<b>%-?p%</b>tsn\t%?x\tsid\t%?hu\n", addr, 377 dc.sdh_tsn, dc.sdh_sid); 378 mdb_printf("%-?sssn\t%?hu\tppid\t%?x\n", "", dc.sdh_ssn, 379 dc.sdh_payload_id); 380 381 return (DCMD_OK); 382 } 383 384 /* ARGSUSED */ 385 static int 386 sctp_istr_msgs(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av) 387 { 388 mblk_t istrmp; 389 mblk_t dmp; 390 sctp_data_hdr_t dp; 391 uintptr_t daddr; 392 uintptr_t chaddr; 393 boolean_t bbit; 394 boolean_t ebit; 395 396 if (!(flags & DCMD_ADDRSPEC)) 397 return (DCMD_USAGE); 398 399 do { 400 if (mdb_vread(&istrmp, sizeof (istrmp), addr) == -1) 401 return (DCMD_ERR); 402 403 mdb_printf("\tistr mblk at %p: next: %?p\n" 404 "\t\tprev: %?p\tcont: %?p\n", addr, istrmp.b_next, 405 istrmp.b_prev, istrmp.b_cont); 406 daddr = (uintptr_t)&istrmp; 407 do { 408 if (mdb_vread(&dmp, sizeof (dmp), daddr) == -1) 409 break; 410 chaddr = (uintptr_t)dmp.b_rptr; 411 if (mdb_vread(&dp, sizeof (dp), chaddr) == -1) 412 break; 413 414 bbit = (SCTP_DATA_GET_BBIT(&dp) != 0); 415 ebit = (SCTP_DATA_GET_EBIT(&dp) != 0); 416 417 mdb_printf("\t\t\ttsn: %x bbit: %d ebit: %d\n", 418 dp.sdh_tsn, bbit, ebit); 419 420 421 daddr = (uintptr_t)dmp.b_cont; 422 } while (daddr != NULL); 423 424 addr = (uintptr_t)istrmp.b_next; 425 } while (addr != NULL); 426 427 return (DCMD_OK); 428 } 429 430 /* ARGSUSED */ 431 static int 432 sctp_reass_list(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av) 433 { 434 sctp_reass_t srp; 435 mblk_t srpmp; 436 sctp_data_hdr_t dp; 437 mblk_t dmp; 438 uintptr_t daddr; 439 uintptr_t chaddr; 440 boolean_t bbit, ebit; 441 442 if (!(flags & DCMD_ADDRSPEC)) 443 return (DCMD_USAGE); 444 445 do { 446 if (mdb_vread(&srpmp, sizeof (srpmp), addr) == -1) 447 return (DCMD_ERR); 448 449 if (mdb_vread(&srp, sizeof (srp), 450 (uintptr_t)srpmp.b_datap->db_base) == -1) 451 return (DCMD_ERR); 452 453 mdb_printf("\treassembly mblk at %p: next: %?p\n" 454 "\t\tprev: %?p\tcont: %?p\n", addr, srpmp.b_next, 455 srpmp.b_prev, srpmp.b_cont); 456 mdb_printf("\t\tssn: %hu\tneeded: %hu\tgot: %hu\ttail: %?p\n" 457 "\t\tpartial_delivered: %s\n", srp.ssn, srp.needed, 458 srp.got, srp.tail, srp.partial_delivered ? "TRUE" : 459 "FALSE"); 460 461 /* display the contents of this ssn's reassemby list */ 462 daddr = DB_TYPE(&srpmp) == M_CTL ? (uintptr_t)srpmp.b_cont : 463 (uintptr_t)&srpmp; 464 do { 465 if (mdb_vread(&dmp, sizeof (dmp), daddr) == -1) 466 break; 467 chaddr = (uintptr_t)dmp.b_rptr; 468 if (mdb_vread(&dp, sizeof (dp), chaddr) == -1) 469 break; 470 471 bbit = (SCTP_DATA_GET_BBIT(&dp) != 0); 472 ebit = (SCTP_DATA_GET_EBIT(&dp) != 0); 473 474 mdb_printf("\t\t\ttsn: %x bbit: %d ebit: %d\n", 475 dp.sdh_tsn, bbit, ebit); 476 477 daddr = (uintptr_t)dmp.b_cont; 478 } while (daddr != NULL); 479 480 addr = (uintptr_t)srpmp.b_next; 481 } while (addr != NULL); 482 483 return (DCMD_OK); 484 } 485 486 /* ARGSUSED */ 487 static int 488 sctp_uo_reass_list(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av) 489 { 490 sctp_data_hdr_t dp; 491 mblk_t dmp; 492 uintptr_t chaddr; 493 boolean_t bbit; 494 boolean_t ebit; 495 boolean_t ubit; 496 497 if (!(flags & DCMD_ADDRSPEC)) 498 return (DCMD_USAGE); 499 500 do { 501 if (mdb_vread(&dmp, sizeof (dmp), addr) == -1) 502 return (DCMD_ERR); 503 504 mdb_printf("\treassembly mblk at %p: next: %?p\n" 505 "\t\tprev: %?p\n", addr, dmp.b_next, dmp.b_prev); 506 507 chaddr = (uintptr_t)dmp.b_rptr; 508 if (mdb_vread(&dp, sizeof (dp), chaddr) == -1) 509 break; 510 511 bbit = (SCTP_DATA_GET_BBIT(&dp) != 0); 512 ebit = (SCTP_DATA_GET_EBIT(&dp) != 0); 513 ubit = (SCTP_DATA_GET_UBIT(&dp) != 0); 514 515 mdb_printf("\t\t\tsid: %hu ssn: %hu tsn: %x " 516 "flags: %x (U=%d B=%d E=%d)\n", dp.sdh_sid, dp.sdh_ssn, 517 dp.sdh_tsn, dp.sdh_flags, ubit, bbit, ebit); 518 519 addr = (uintptr_t)dmp.b_next; 520 } while (addr != NULL); 521 522 return (DCMD_OK); 523 } 524 525 static int 526 sctp_instr(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av) 527 { 528 sctp_instr_t sip; 529 530 if (!(flags & DCMD_ADDRSPEC)) 531 return (DCMD_USAGE); 532 533 if (mdb_vread(&sip, sizeof (sip), addr) == -1) 534 return (DCMD_ERR); 535 536 mdb_printf("%<b>%-?p%</b>\n\tmsglist\t%?p\tnmsgs\t%?d\n" 537 "\tnextseq\t%?d\treass\t%?p\n", addr, sip.istr_msgs, 538 sip.istr_nmsgs, sip.nextseq, sip.istr_reass); 539 mdb_set_dot(addr + sizeof (sip)); 540 541 return (sctp_reass_list((uintptr_t)sip.istr_reass, flags, ac, av)); 542 } 543 544 static const char * 545 state2str(sctp_t *sctp) 546 { 547 switch (sctp->sctp_state) { 548 case SCTPS_IDLE: return ("SCTPS_IDLE"); 549 case SCTPS_BOUND: return ("SCTPS_BOUND"); 550 case SCTPS_LISTEN: return ("SCTPS_LISTEN"); 551 case SCTPS_COOKIE_WAIT: return ("SCTPS_COOKIE_WAIT"); 552 case SCTPS_COOKIE_ECHOED: return ("SCTPS_COOKIE_ECHOED"); 553 case SCTPS_ESTABLISHED: return ("SCTPS_ESTABLISHED"); 554 case SCTPS_SHUTDOWN_PENDING: return ("SCTPS_SHUTDOWN_PENDING"); 555 case SCTPS_SHUTDOWN_SENT: return ("SCTPS_SHUTDOWN_SENT"); 556 case SCTPS_SHUTDOWN_RECEIVED: return ("SCTPS_SHUTDOWN_RECEIVED"); 557 case SCTPS_SHUTDOWN_ACK_SENT: return ("SCTPS_SHUTDOWN_ACK_SENT"); 558 default: return ("UNKNOWN STATE"); 559 } 560 } 561 562 static void 563 show_sctp_flags(sctp_t *sctp) 564 { 565 mdb_printf("\tunderstands_asconf\t%d\n", 566 sctp->sctp_understands_asconf); 567 mdb_printf("\tdebug\t\t\t%d\n", sctp->sctp_connp->conn_debug); 568 mdb_printf("\tcchunk_pend\t\t%d\n", sctp->sctp_cchunk_pend); 569 mdb_printf("\tdgram_errind\t\t%d\n", 570 sctp->sctp_connp->conn_dgram_errind); 571 572 mdb_printf("\tlinger\t\t\t%d\n", sctp->sctp_connp->conn_linger); 573 if (sctp->sctp_lingering) 574 return; 575 mdb_printf("\tlingering\t\t%d\n", sctp->sctp_lingering); 576 mdb_printf("\tloopback\t\t%d\n", sctp->sctp_loopback); 577 mdb_printf("\tforce_sack\t\t%d\n", sctp->sctp_force_sack); 578 579 mdb_printf("\tack_timer_runing\t%d\n", sctp->sctp_ack_timer_running); 580 mdb_printf("\trecvdstaddr\t\t%d\n", 581 sctp->sctp_connp->conn_recv_ancillary.crb_recvdstaddr); 582 mdb_printf("\thwcksum\t\t\t%d\n", sctp->sctp_hwcksum); 583 mdb_printf("\tunderstands_addip\t%d\n", sctp->sctp_understands_addip); 584 585 mdb_printf("\tbound_to_all\t\t%d\n", sctp->sctp_bound_to_all); 586 mdb_printf("\tcansleep\t\t%d\n", sctp->sctp_cansleep); 587 mdb_printf("\tdetached\t\t%d\n", sctp->sctp_detached); 588 mdb_printf("\tsend_adaptation\t\t%d\n", sctp->sctp_send_adaptation); 589 590 mdb_printf("\trecv_adaptation\t\t%d\n", sctp->sctp_recv_adaptation); 591 mdb_printf("\tndelay\t\t\t%d\n", sctp->sctp_ndelay); 592 mdb_printf("\tcondemned\t\t%d\n", sctp->sctp_condemned); 593 mdb_printf("\tchk_fast_rexmit\t\t%d\n", sctp->sctp_chk_fast_rexmit); 594 595 mdb_printf("\tprsctp_aware\t\t%d\n", sctp->sctp_prsctp_aware); 596 mdb_printf("\tlinklocal\t\t%d\n", sctp->sctp_linklocal); 597 mdb_printf("\trexmitting\t\t%d\n", sctp->sctp_rexmitting); 598 mdb_printf("\tzero_win_probe\t\t%d\n", sctp->sctp_zero_win_probe); 599 600 mdb_printf("\trecvsndrcvinfo\t\t%d\n", sctp->sctp_recvsndrcvinfo); 601 mdb_printf("\trecvassocevnt\t\t%d\n", sctp->sctp_recvassocevnt); 602 mdb_printf("\trecvpathevnt\t\t%d\n", sctp->sctp_recvpathevnt); 603 mdb_printf("\trecvsendfailevnt\t%d\n", sctp->sctp_recvsendfailevnt); 604 605 mdb_printf("\trecvpeerevnt\t\t%d\n", sctp->sctp_recvpeererr); 606 mdb_printf("\trecvchutdownevnt\t%d\n", sctp->sctp_recvshutdownevnt); 607 mdb_printf("\trecvcpdnevnt\t\t%d\n", sctp->sctp_recvpdevnt); 608 mdb_printf("\trecvcalevnt\t\t%d\n\n", sctp->sctp_recvalevnt); 609 } 610 611 /* 612 * Given a sctp_saddr_ipif_t, print out its address. This assumes 613 * that addr contains the sctp_addr_ipif_t structure already and this 614 * function does not need to read it in. 615 */ 616 /* ARGSUSED */ 617 static int 618 print_saddr(uintptr_t ptr, const void *addr, void *cbdata) 619 { 620 sctp_saddr_ipif_t *saddr = (sctp_saddr_ipif_t *)addr; 621 sctp_ipif_t ipif; 622 char *statestr; 623 624 /* Read in the sctp_ipif object */ 625 if (mdb_vread(&ipif, sizeof (ipif), (uintptr_t)saddr->saddr_ipifp) == 626 -1) { 627 mdb_warn("cannot read ipif at %p", saddr->saddr_ipifp); 628 return (WALK_ERR); 629 } 630 631 switch (ipif.sctp_ipif_state) { 632 case SCTP_IPIFS_CONDEMNED: 633 statestr = "Condemned"; 634 break; 635 case SCTP_IPIFS_INVALID: 636 statestr = "Invalid"; 637 break; 638 case SCTP_IPIFS_DOWN: 639 statestr = "Down"; 640 break; 641 case SCTP_IPIFS_UP: 642 statestr = "Up"; 643 break; 644 default: 645 statestr = "Unknown"; 646 break; 647 } 648 mdb_printf("\t%p\t%N% (%s", saddr->saddr_ipifp, &ipif.sctp_ipif_saddr, 649 statestr); 650 if (saddr->saddr_ipif_dontsrc == 1) 651 mdb_printf("/Dontsrc"); 652 if (saddr->saddr_ipif_unconfirmed == 1) 653 mdb_printf("/Unconfirmed"); 654 if (saddr->saddr_ipif_delete_pending == 1) 655 mdb_printf("/DeletePending"); 656 mdb_printf(")\n"); 657 mdb_printf("\t\t\tid %d zoneid %d IPIF flags %x\n", 658 ipif.sctp_ipif_id, 659 ipif.sctp_ipif_zoneid, ipif.sctp_ipif_flags); 660 return (WALK_NEXT); 661 } 662 663 /* 664 * Given a sctp_faddr_t, print out its address. This assumes that 665 * addr contains the sctp_faddr_t structure already and this function 666 * does not need to read it in. 667 */ 668 static int 669 print_faddr(uintptr_t ptr, const void *addr, void *cbdata) 670 { 671 char *statestr; 672 sctp_faddr_t *faddr = (sctp_faddr_t *)addr; 673 int *i = cbdata; 674 675 statestr = sctp_faddr_state(faddr->state); 676 677 mdb_printf("\t%d:\t%N\t%?p (%s)\n", (*i)++, &faddr->faddr, ptr, 678 statestr); 679 return (WALK_NEXT); 680 } 681 682 int 683 sctp(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 684 { 685 sctp_t sctps, *sctp; 686 conn_t conns, *connp; 687 int i; 688 uint_t opts = 0; 689 uint_t paddr = 0; 690 in_port_t lport, fport; 691 692 if (!(flags & DCMD_ADDRSPEC)) 693 return (DCMD_USAGE); 694 695 if (mdb_vread(&sctps, sizeof (sctps), addr) == -1) { 696 mdb_warn("failed to read sctp_t at: %p\n", addr); 697 return (DCMD_ERR); 698 } 699 sctp = &sctps; 700 701 if (mdb_vread(&conns, sizeof (conns), 702 (uintptr_t)sctp->sctp_connp) == -1) { 703 mdb_warn("failed to read conn_t at: %p\n", sctp->sctp_connp); 704 return (DCMD_ERR); 705 } 706 707 connp = &conns; 708 709 connp->conn_sctp = sctp; 710 sctp->sctp_connp = connp; 711 712 if (mdb_getopts(argc, argv, 713 'a', MDB_OPT_SETBITS, MDB_SCTP_SHOW_ALL, &opts, 714 'f', MDB_OPT_SETBITS, MDB_SCTP_SHOW_FLAGS, &opts, 715 'h', MDB_OPT_SETBITS, MDB_SCTP_SHOW_HASH, &opts, 716 'o', MDB_OPT_SETBITS, MDB_SCTP_SHOW_OUT, &opts, 717 'i', MDB_OPT_SETBITS, MDB_SCTP_SHOW_IN, &opts, 718 'm', MDB_OPT_SETBITS, MDB_SCTP_SHOW_MISC, &opts, 719 'r', MDB_OPT_SETBITS, MDB_SCTP_SHOW_RTT, &opts, 720 'S', MDB_OPT_SETBITS, MDB_SCTP_SHOW_STATS, &opts, 721 'F', MDB_OPT_SETBITS, MDB_SCTP_SHOW_FLOW, &opts, 722 'H', MDB_OPT_SETBITS, MDB_SCTP_SHOW_HDR, &opts, 723 'p', MDB_OPT_SETBITS, MDB_SCTP_SHOW_PMTUD, &opts, 724 'R', MDB_OPT_SETBITS, MDB_SCTP_SHOW_RXT, &opts, 725 'C', MDB_OPT_SETBITS, MDB_SCTP_SHOW_CONN, &opts, 726 'c', MDB_OPT_SETBITS, MDB_SCTP_SHOW_CLOSE, &opts, 727 'e', MDB_OPT_SETBITS, MDB_SCTP_SHOW_EXT, &opts, 728 'P', MDB_OPT_SETBITS, 1, &paddr, 729 'd', MDB_OPT_SETBITS, MDB_SCTP_DUMP_ADDRS, &opts) != argc) { 730 return (DCMD_USAGE); 731 } 732 733 /* non-verbose faddrs, suitable for pipelines to sctp_faddr */ 734 if (paddr != 0) { 735 sctp_faddr_t faddr, *fp; 736 for (fp = sctp->sctp_faddrs; fp != NULL; fp = faddr.next) { 737 if (mdb_vread(&faddr, sizeof (faddr), (uintptr_t)fp) 738 == -1) { 739 mdb_warn("failed to read faddr at %p", 740 fp); 741 return (DCMD_ERR); 742 } 743 mdb_printf("%p\n", fp); 744 } 745 return (DCMD_OK); 746 } 747 748 mdb_nhconvert(&lport, &connp->conn_lport, sizeof (lport)); 749 mdb_nhconvert(&fport, &connp->conn_fport, sizeof (fport)); 750 mdb_printf("%<u>%p% %22s S=%-6hu D=%-6hu% STACK=%d ZONE=%d%</u>", addr, 751 state2str(sctp), lport, fport, 752 ns_to_stackid((uintptr_t)connp->conn_netstack), connp->conn_zoneid); 753 754 if (sctp->sctp_faddrs) { 755 sctp_faddr_t faddr; 756 if (mdb_vread(&faddr, sizeof (faddr), 757 (uintptr_t)sctp->sctp_faddrs) != -1) 758 mdb_printf("%<u> %N%</u>", &faddr.faddr); 759 } 760 mdb_printf("\n"); 761 762 if (opts & MDB_SCTP_DUMP_ADDRS) { 763 mdb_printf("%<b>Local and Peer Addresses%</b>\n"); 764 765 /* Display source addresses */ 766 mdb_printf("nsaddrs\t\t%?d\n", sctp->sctp_nsaddrs); 767 (void) mdb_pwalk("sctp_walk_saddr", print_saddr, NULL, addr); 768 769 /* Display peer addresses */ 770 mdb_printf("nfaddrs\t\t%?d\n", sctp->sctp_nfaddrs); 771 i = 1; 772 (void) mdb_pwalk("sctp_walk_faddr", print_faddr, &i, addr); 773 774 mdb_printf("lastfaddr\t%?p\tprimary\t\t%?p\n", 775 sctp->sctp_lastfaddr, sctp->sctp_primary); 776 mdb_printf("current\t\t%?p\tlastdata\t%?p\n", 777 sctp->sctp_current, sctp->sctp_lastdata); 778 } 779 780 if (opts & MDB_SCTP_SHOW_OUT) { 781 mdb_printf("%<b>Outbound Data%</b>\n"); 782 mdb_printf("xmit_head\t%?p\txmit_tail\t%?p\n", 783 sctp->sctp_xmit_head, sctp->sctp_xmit_tail); 784 mdb_printf("xmit_unsent\t%?p\txmit_unsent_tail%?p\n", 785 sctp->sctp_xmit_unsent, sctp->sctp_xmit_unsent_tail); 786 mdb_printf("xmit_unacked\t%?p\n", sctp->sctp_xmit_unacked); 787 mdb_printf("unacked\t\t%?u\tunsent\t\t%?ld\n", 788 sctp->sctp_unacked, sctp->sctp_unsent); 789 mdb_printf("ltsn\t\t%?x\tlastack_rxd\t%?x\n", 790 sctp->sctp_ltsn, sctp->sctp_lastack_rxd); 791 mdb_printf("recovery_tsn\t%?x\tadv_pap\t\t%?x\n", 792 sctp->sctp_recovery_tsn, sctp->sctp_adv_pap); 793 mdb_printf("num_ostr\t%?hu\tostrcntrs\t%?p\n", 794 sctp->sctp_num_ostr, sctp->sctp_ostrcntrs); 795 mdb_printf("pad_mp\t\t%?p\terr_chunks\t%?p\n", 796 sctp->sctp_pad_mp, sctp->sctp_err_chunks); 797 mdb_printf("err_len\t\t%?u\n", sctp->sctp_err_len); 798 799 mdb_printf("%<b>Default Send Parameters%</b>\n"); 800 mdb_printf("def_stream\t%?u\tdef_flags\t%?x\n", 801 sctp->sctp_def_stream, sctp->sctp_def_flags); 802 mdb_printf("def_ppid\t%?x\tdef_context\t%?x\n", 803 sctp->sctp_def_ppid, sctp->sctp_def_context); 804 mdb_printf("def_timetolive\t%?u\n", 805 sctp->sctp_def_timetolive); 806 } 807 808 if (opts & MDB_SCTP_SHOW_IN) { 809 mdb_printf("%<b>Inbound Data%</b>\n"); 810 mdb_printf("sack_info\t%?p\tsack_gaps\t%?d\n", 811 sctp->sctp_sack_info, sctp->sctp_sack_gaps); 812 dump_sack_info((uintptr_t)sctp->sctp_sack_info); 813 mdb_printf("ftsn\t\t%?x\tlastacked\t%?x\n", 814 sctp->sctp_ftsn, sctp->sctp_lastacked); 815 mdb_printf("istr_nmsgs\t%?d\tsack_toggle\t%?d\n", 816 sctp->sctp_istr_nmsgs, sctp->sctp_sack_toggle); 817 mdb_printf("ack_mp\t\t%?p\n", sctp->sctp_ack_mp); 818 mdb_printf("num_istr\t%?hu\tinstr\t\t%?p\n", 819 sctp->sctp_num_istr, sctp->sctp_instr); 820 mdb_printf("unord_reass\t%?p\n", sctp->sctp_uo_frags); 821 } 822 823 if (opts & MDB_SCTP_SHOW_RTT) { 824 mdb_printf("%<b>RTT Tracking%</b>\n"); 825 mdb_printf("rtt_tsn\t\t%?x\tout_time\t%?ld\n", 826 sctp->sctp_rtt_tsn, sctp->sctp_out_time); 827 } 828 829 if (opts & MDB_SCTP_SHOW_FLOW) { 830 mdb_printf("%<b>Flow Control%</b>\n"); 831 mdb_printf("tconn_sndbuf\t%?d\n" 832 "conn_sndlowat\t%?d\tfrwnd\t\t%?u\n" 833 "rwnd\t\t%?u\tinitial rwnd\t%?u\n" 834 "rxqueued\t%?u\tcwnd_max\t%?u\n", connp->conn_sndbuf, 835 connp->conn_sndlowat, sctp->sctp_frwnd, 836 sctp->sctp_rwnd, sctp->sctp_irwnd, sctp->sctp_rxqueued, 837 sctp->sctp_cwnd_max); 838 } 839 840 if (opts & MDB_SCTP_SHOW_HDR) { 841 mdb_printf("%<b>Composite Headers%</b>\n"); 842 mdb_printf("iphc\t\t%?p\tiphc6\t\t%?p\n" 843 "iphc_len\t%?d\tiphc6_len\t%?d\n" 844 "hdr_len\t\t%?d\thdr6_len\t%?d\n" 845 "ipha\t\t%?p\tip6h\t\t%?p\n" 846 "ip_hdr_len\t%?d\tip_hdr6_len\t%?d\n" 847 "sctph\t\t%?p\tsctph6\t\t%?p\n" 848 "lvtag\t\t%?x\tfvtag\t\t%?x\n", sctp->sctp_iphc, 849 sctp->sctp_iphc6, sctp->sctp_iphc_len, 850 sctp->sctp_iphc6_len, sctp->sctp_hdr_len, 851 sctp->sctp_hdr6_len, sctp->sctp_ipha, sctp->sctp_ip6h, 852 sctp->sctp_ip_hdr_len, sctp->sctp_ip_hdr6_len, 853 sctp->sctp_sctph, sctp->sctp_sctph6, sctp->sctp_lvtag, 854 sctp->sctp_fvtag); 855 } 856 857 if (opts & MDB_SCTP_SHOW_PMTUD) { 858 mdb_printf("%<b>PMTUd%</b>\n"); 859 mdb_printf("last_mtu_probe\t%?ld\tmtu_probe_intvl\t%?ld\n" 860 "mss\t\t%?u\n", 861 sctp->sctp_last_mtu_probe, sctp->sctp_mtu_probe_intvl, 862 sctp->sctp_mss); 863 } 864 865 if (opts & MDB_SCTP_SHOW_RXT) { 866 mdb_printf("%<b>Retransmit Info%</b>\n"); 867 mdb_printf("cookie_mp\t%?p\tstrikes\t\t%?d\n" 868 "max_init_rxt\t%?d\tpa_max_rxt\t%?d\n" 869 "pp_max_rxt\t%?d\trto_max\t\t%?u\n" 870 "rto_min\t\t%?u\trto_initial\t%?u\n" 871 "init_rto_max\t%?u\n" 872 "rxt_nxttsn\t%?u\trxt_maxtsn\t%?u\n", sctp->sctp_cookie_mp, 873 sctp->sctp_strikes, sctp->sctp_max_init_rxt, 874 sctp->sctp_pa_max_rxt, sctp->sctp_pp_max_rxt, 875 sctp->sctp_rto_max, sctp->sctp_rto_min, 876 sctp->sctp_rto_initial, sctp->sctp_init_rto_max, 877 sctp->sctp_rxt_nxttsn, sctp->sctp_rxt_maxtsn); 878 } 879 880 if (opts & MDB_SCTP_SHOW_CONN) { 881 mdb_printf("%<b>Connection State%</b>\n"); 882 mdb_printf("last_secret_update%?ld\n", 883 sctp->sctp_last_secret_update); 884 885 mdb_printf("secret\t\t"); 886 for (i = 0; i < SCTP_SECRET_LEN; i++) { 887 if (i % 2 == 0) 888 mdb_printf("0x%02x", sctp->sctp_secret[i]); 889 else 890 mdb_printf("%02x ", sctp->sctp_secret[i]); 891 } 892 mdb_printf("\n"); 893 mdb_printf("old_secret\t"); 894 for (i = 0; i < SCTP_SECRET_LEN; i++) { 895 if (i % 2 == 0) 896 mdb_printf("0x%02x", sctp->sctp_old_secret[i]); 897 else 898 mdb_printf("%02x ", sctp->sctp_old_secret[i]); 899 } 900 mdb_printf("\n"); 901 } 902 903 if (opts & MDB_SCTP_SHOW_STATS) { 904 mdb_printf("%<b>Stats Counters%</b>\n"); 905 mdb_printf("opkts\t\t%?llu\tobchunks\t%?llu\n" 906 "odchunks\t%?llu\toudchunks\t%?llu\n" 907 "rxtchunks\t%?llu\tT1expire\t%?lu\n" 908 "T2expire\t%?lu\tT3expire\t%?lu\n" 909 "msgcount\t%?llu\tprsctpdrop\t%?llu\n" 910 "AssocStartTime\t%?lu\n", 911 sctp->sctp_opkts, sctp->sctp_obchunks, 912 sctp->sctp_odchunks, sctp->sctp_oudchunks, 913 sctp->sctp_rxtchunks, sctp->sctp_T1expire, 914 sctp->sctp_T2expire, sctp->sctp_T3expire, 915 sctp->sctp_msgcount, sctp->sctp_prsctpdrop, 916 sctp->sctp_assoc_start_time); 917 mdb_printf("ipkts\t\t%?llu\tibchunks\t%?llu\n" 918 "idchunks\t%?llu\tiudchunks\t%?llu\n" 919 "fragdmsgs\t%?llu\treassmsgs\t%?llu\n", 920 sctp->sctp_ipkts, sctp->sctp_ibchunks, 921 sctp->sctp_idchunks, sctp->sctp_iudchunks, 922 sctp->sctp_fragdmsgs, sctp->sctp_reassmsgs); 923 } 924 925 if (opts & MDB_SCTP_SHOW_HASH) { 926 mdb_printf("%<b>Hash Tables%</b>\n"); 927 mdb_printf("conn_hash_next\t%?p\t", sctp->sctp_conn_hash_next); 928 mdb_printf("conn_hash_prev\t%?p\n", sctp->sctp_conn_hash_prev); 929 930 mdb_printf("listen_hash_next%?p\t", 931 sctp->sctp_listen_hash_next); 932 mdb_printf("listen_hash_prev%?p\n", 933 sctp->sctp_listen_hash_prev); 934 mdb_nhconvert(&lport, &connp->conn_lport, sizeof (lport)); 935 mdb_printf("[ listen_hash bucket\t%?d ]\n", 936 SCTP_LISTEN_HASH(lport)); 937 938 mdb_printf("conn_tfp\t%?p\t", sctp->sctp_conn_tfp); 939 mdb_printf("listen_tfp\t%?p\n", sctp->sctp_listen_tfp); 940 941 mdb_printf("bind_hash\t%?p\tptpbhn\t\t%?p\n", 942 sctp->sctp_bind_hash, sctp->sctp_ptpbhn); 943 mdb_printf("bind_lockp\t%?p\n", 944 sctp->sctp_bind_lockp); 945 mdb_printf("[ bind_hash bucket\t%?d ]\n", 946 SCTP_BIND_HASH(lport)); 947 } 948 949 if (opts & MDB_SCTP_SHOW_CLOSE) { 950 mdb_printf("%<b>Cleanup / Close%</b>\n"); 951 mdb_printf("shutdown_faddr\t%?p\tclient_errno\t%?d\n" 952 "lingertime\t%?d\trefcnt\t\t%?hu\n", 953 sctp->sctp_shutdown_faddr, sctp->sctp_client_errno, 954 connp->conn_lingertime, sctp->sctp_refcnt); 955 } 956 957 if (opts & MDB_SCTP_SHOW_MISC) { 958 mdb_printf("%<b>Miscellaneous%</b>\n"); 959 mdb_printf("bound_if\t%?u\theartbeat_mp\t%?p\n" 960 "family\t\t%?u\tipversion\t%?hu\n" 961 "hb_interval\t%?u\tautoclose\t%?d\n" 962 "active\t\t%?ld\ttx_adaptation_code%?x\n" 963 "rx_adaptation_code%?x\ttimer_mp\t%?p\n" 964 "partial_delivery_point\t%?d\n", 965 connp->conn_bound_if, sctp->sctp_heartbeat_mp, 966 connp->conn_family, 967 connp->conn_ipversion, 968 sctp->sctp_hb_interval, sctp->sctp_autoclose, 969 sctp->sctp_active, sctp->sctp_tx_adaptation_code, 970 sctp->sctp_rx_adaptation_code, sctp->sctp_timer_mp, 971 sctp->sctp_pd_point); 972 } 973 974 if (opts & MDB_SCTP_SHOW_EXT) { 975 mdb_printf("%<b>Extensions and Reliable Ctl Chunks%</b>\n"); 976 mdb_printf("cxmit_list\t%?p\tlcsn\t\t%?x\n" 977 "fcsn\t\t%?x\n", sctp->sctp_cxmit_list, sctp->sctp_lcsn, 978 sctp->sctp_fcsn); 979 } 980 981 if (opts & MDB_SCTP_SHOW_FLAGS) { 982 mdb_printf("%<b>Flags%</b>\n"); 983 show_sctp_flags(sctp); 984 } 985 986 return (DCMD_OK); 987 } 988 989 typedef struct fanout_walk_data { 990 int index; 991 int size; 992 uintptr_t sctp; 993 sctp_tf_t *fanout; 994 uintptr_t (*getnext)(sctp_t *); 995 } fanout_walk_data_t; 996 997 typedef struct fanout_init { 998 const char *nested_walker_name; 999 size_t offset; /* for what used to be a symbol */ 1000 int (*getsize)(sctp_stack_t *); 1001 uintptr_t (*getnext)(sctp_t *); 1002 } fanout_init_t; 1003 1004 static uintptr_t 1005 listen_next(sctp_t *sctp) 1006 { 1007 return ((uintptr_t)sctp->sctp_listen_hash_next); 1008 } 1009 1010 /* ARGSUSED */ 1011 static int 1012 listen_size(sctp_stack_t *sctps) 1013 { 1014 return (SCTP_LISTEN_FANOUT_SIZE); 1015 } 1016 1017 static uintptr_t 1018 conn_next(sctp_t *sctp) 1019 { 1020 return ((uintptr_t)sctp->sctp_conn_hash_next); 1021 } 1022 1023 static int 1024 conn_size(sctp_stack_t *sctps) 1025 { 1026 int size; 1027 uintptr_t kaddr; 1028 1029 kaddr = (uintptr_t)&sctps->sctps_conn_hash_size; 1030 1031 if (mdb_vread(&size, sizeof (size), kaddr) == -1) { 1032 mdb_warn("can't read 'sctps_conn_hash_size' at %p", kaddr); 1033 return (1); 1034 } 1035 return (size); 1036 } 1037 1038 static uintptr_t 1039 bind_next(sctp_t *sctp) 1040 { 1041 return ((uintptr_t)sctp->sctp_bind_hash); 1042 } 1043 1044 /* ARGSUSED */ 1045 static int 1046 bind_size(sctp_stack_t *sctps) 1047 { 1048 return (SCTP_BIND_FANOUT_SIZE); 1049 } 1050 1051 static intptr_t 1052 find_next_hash_item(fanout_walk_data_t *fw) 1053 { 1054 sctp_tf_t tf; 1055 sctp_t sctp; 1056 1057 /* first try to continue down the hash chain */ 1058 if (fw->sctp != NULL) { 1059 /* try to get next in hash chain */ 1060 if (mdb_vread(&sctp, sizeof (sctp), fw->sctp) == -1) { 1061 mdb_warn("failed to read sctp at %p", fw->sctp); 1062 return (NULL); 1063 } 1064 fw->sctp = fw->getnext(&sctp); 1065 if (fw->sctp != NULL) 1066 return (fw->sctp); 1067 else 1068 /* end of chain; go to next bucket */ 1069 fw->index++; 1070 } 1071 1072 /* find a new hash chain, traversing the buckets */ 1073 for (; fw->index < fw->size; fw->index++) { 1074 /* read the current hash line for an sctp */ 1075 if (mdb_vread(&tf, sizeof (tf), 1076 (uintptr_t)(fw->fanout + fw->index)) == -1) { 1077 mdb_warn("failed to read tf at %p", 1078 fw->fanout + fw->index); 1079 return (NULL); 1080 } 1081 if (tf.tf_sctp != NULL) { 1082 /* start of a new chain */ 1083 fw->sctp = (uintptr_t)tf.tf_sctp; 1084 return (fw->sctp); 1085 } 1086 } 1087 return (NULL); 1088 } 1089 1090 static int 1091 fanout_stack_walk_init(mdb_walk_state_t *wsp) 1092 { 1093 fanout_walk_data_t *lw; 1094 fanout_init_t *fi = wsp->walk_arg; 1095 sctp_stack_t *sctps = (sctp_stack_t *)wsp->walk_addr; 1096 uintptr_t kaddr; 1097 1098 if (mdb_vread(&kaddr, sizeof (kaddr), 1099 wsp->walk_addr + fi->offset) == -1) { 1100 mdb_warn("can't read sctp fanout at %p", 1101 wsp->walk_addr + fi->offset); 1102 return (WALK_ERR); 1103 } 1104 1105 lw = mdb_alloc(sizeof (*lw), UM_SLEEP); 1106 lw->index = 0; 1107 lw->size = fi->getsize(sctps); 1108 lw->sctp = NULL; 1109 lw->fanout = (sctp_tf_t *)kaddr; 1110 lw->getnext = fi->getnext; 1111 1112 if ((wsp->walk_addr = find_next_hash_item(lw)) == NULL) { 1113 return (WALK_DONE); 1114 } 1115 wsp->walk_data = lw; 1116 return (WALK_NEXT); 1117 } 1118 1119 static int 1120 fanout_stack_walk_step(mdb_walk_state_t *wsp) 1121 { 1122 fanout_walk_data_t *fw = wsp->walk_data; 1123 uintptr_t addr = wsp->walk_addr; 1124 sctp_t sctp; 1125 int status; 1126 1127 if (mdb_vread(&sctp, sizeof (sctp), addr) == -1) { 1128 mdb_warn("failed to read sctp at %p", addr); 1129 return (WALK_DONE); 1130 } 1131 1132 status = wsp->walk_callback(addr, &sctp, wsp->walk_cbdata); 1133 if (status != WALK_NEXT) 1134 return (status); 1135 1136 if ((wsp->walk_addr = find_next_hash_item(fw)) == NULL) 1137 return (WALK_DONE); 1138 1139 return (WALK_NEXT); 1140 } 1141 1142 static void 1143 fanout_stack_walk_fini(mdb_walk_state_t *wsp) 1144 { 1145 fanout_walk_data_t *fw = wsp->walk_data; 1146 1147 mdb_free(fw, sizeof (*fw)); 1148 } 1149 1150 int 1151 fanout_walk_init(mdb_walk_state_t *wsp) 1152 { 1153 if (mdb_layered_walk("sctp_stacks", wsp) == -1) { 1154 mdb_warn("can't walk 'sctp_stacks'"); 1155 return (WALK_ERR); 1156 } 1157 1158 return (WALK_NEXT); 1159 } 1160 1161 int 1162 fanout_walk_step(mdb_walk_state_t *wsp) 1163 { 1164 fanout_init_t *fi = wsp->walk_arg; 1165 1166 if (mdb_pwalk(fi->nested_walker_name, wsp->walk_callback, 1167 wsp->walk_cbdata, wsp->walk_addr) == -1) { 1168 mdb_warn("couldn't walk '%s'for address %p", 1169 fi->nested_walker_name, wsp->walk_addr); 1170 return (WALK_ERR); 1171 } 1172 return (WALK_NEXT); 1173 } 1174 1175 int 1176 sctps_walk_init(mdb_walk_state_t *wsp) 1177 { 1178 1179 if (mdb_layered_walk("sctp_stacks", wsp) == -1) { 1180 mdb_warn("can't walk 'sctp_stacks'"); 1181 return (WALK_ERR); 1182 } 1183 1184 return (WALK_NEXT); 1185 } 1186 1187 int 1188 sctps_walk_step(mdb_walk_state_t *wsp) 1189 { 1190 uintptr_t kaddr; 1191 1192 kaddr = wsp->walk_addr + OFFSETOF(sctp_stack_t, sctps_g_list); 1193 if (mdb_pwalk("list", wsp->walk_callback, 1194 wsp->walk_cbdata, kaddr) == -1) { 1195 mdb_warn("couldn't walk 'list' for address %p", kaddr); 1196 return (WALK_ERR); 1197 } 1198 return (WALK_NEXT); 1199 } 1200 1201 static int 1202 sctp_walk_faddr_init(mdb_walk_state_t *wsp) 1203 { 1204 sctp_t sctp; 1205 1206 if (wsp->walk_addr == NULL) 1207 return (WALK_ERR); 1208 1209 if (mdb_vread(&sctp, sizeof (sctp), wsp->walk_addr) == -1) { 1210 mdb_warn("failed to read sctp at %p", wsp->walk_addr); 1211 return (WALK_ERR); 1212 } 1213 if ((wsp->walk_addr = (uintptr_t)sctp.sctp_faddrs) != NULL) 1214 return (WALK_NEXT); 1215 else 1216 return (WALK_DONE); 1217 } 1218 1219 static int 1220 sctp_walk_faddr_step(mdb_walk_state_t *wsp) 1221 { 1222 uintptr_t faddr_ptr = wsp->walk_addr; 1223 sctp_faddr_t sctp_faddr; 1224 int status; 1225 1226 if (mdb_vread(&sctp_faddr, sizeof (sctp_faddr_t), faddr_ptr) == -1) { 1227 mdb_warn("failed to read sctp_faddr_t at %p", faddr_ptr); 1228 return (WALK_ERR); 1229 } 1230 status = wsp->walk_callback(faddr_ptr, &sctp_faddr, wsp->walk_cbdata); 1231 if (status != WALK_NEXT) 1232 return (status); 1233 if ((faddr_ptr = (uintptr_t)sctp_faddr.next) == NULL) { 1234 return (WALK_DONE); 1235 } else { 1236 wsp->walk_addr = faddr_ptr; 1237 return (WALK_NEXT); 1238 } 1239 } 1240 1241 /* 1242 * Helper structure for sctp_walk_saddr. It stores the sctp_t being walked, 1243 * the current index to the sctp_saddrs[], and the current count of the 1244 * sctp_saddr_ipif_t list. 1245 */ 1246 typedef struct { 1247 sctp_t sctp; 1248 int hash_index; 1249 int cur_cnt; 1250 } saddr_walk_t; 1251 1252 static int 1253 sctp_walk_saddr_init(mdb_walk_state_t *wsp) 1254 { 1255 sctp_t *sctp; 1256 int i; 1257 saddr_walk_t *swalker; 1258 1259 if (wsp->walk_addr == NULL) 1260 return (WALK_ERR); 1261 1262 swalker = mdb_alloc(sizeof (saddr_walk_t), UM_SLEEP); 1263 sctp = &swalker->sctp; 1264 if (mdb_vread(sctp, sizeof (sctp_t), wsp->walk_addr) == -1) { 1265 mdb_warn("failed to read sctp at %p", wsp->walk_addr); 1266 mdb_free(swalker, sizeof (saddr_walk_t)); 1267 return (WALK_ERR); 1268 } 1269 1270 /* Find the first source address. */ 1271 for (i = 0; i < SCTP_IPIF_HASH; i++) { 1272 if (sctp->sctp_saddrs[i].ipif_count > 0) { 1273 list_t *addr_list; 1274 1275 addr_list = &sctp->sctp_saddrs[i].sctp_ipif_list; 1276 wsp->walk_addr = (uintptr_t)list_object(addr_list, 1277 addr_list->list_head.list_next); 1278 1279 /* Recode the current info */ 1280 swalker->hash_index = i; 1281 swalker->cur_cnt = 1; 1282 wsp->walk_data = swalker; 1283 1284 return (WALK_NEXT); 1285 } 1286 } 1287 return (WALK_DONE); 1288 } 1289 1290 static int 1291 sctp_walk_saddr_step(mdb_walk_state_t *wsp) 1292 { 1293 uintptr_t saddr_ptr = wsp->walk_addr; 1294 sctp_saddr_ipif_t saddr; 1295 saddr_walk_t *swalker; 1296 sctp_t *sctp; 1297 int status; 1298 int i, j; 1299 1300 if (mdb_vread(&saddr, sizeof (sctp_saddr_ipif_t), saddr_ptr) == -1) { 1301 mdb_warn("failed to read sctp_saddr_ipif_t at %p", saddr_ptr); 1302 return (WALK_ERR); 1303 } 1304 status = wsp->walk_callback(saddr_ptr, &saddr, wsp->walk_cbdata); 1305 if (status != WALK_NEXT) 1306 return (status); 1307 1308 swalker = (saddr_walk_t *)wsp->walk_data; 1309 sctp = &swalker->sctp; 1310 i = swalker->hash_index; 1311 j = swalker->cur_cnt; 1312 1313 /* 1314 * If there is still a source address in the current list, return it. 1315 * Otherwise, go to the next list in the sctp_saddrs[]. 1316 */ 1317 if (j++ < sctp->sctp_saddrs[i].ipif_count) { 1318 wsp->walk_addr = (uintptr_t)saddr.saddr_ipif.list_next; 1319 swalker->cur_cnt = j; 1320 return (WALK_NEXT); 1321 } else { 1322 list_t *lst; 1323 1324 for (i = i + 1; i < SCTP_IPIF_HASH; i++) { 1325 if (sctp->sctp_saddrs[i].ipif_count > 0) { 1326 lst = &sctp->sctp_saddrs[i].sctp_ipif_list; 1327 wsp->walk_addr = (uintptr_t)list_object( 1328 lst, lst->list_head.list_next); 1329 swalker->hash_index = i; 1330 swalker->cur_cnt = 1; 1331 return (WALK_NEXT); 1332 } 1333 } 1334 } 1335 return (WALK_DONE); 1336 } 1337 1338 static void 1339 sctp_walk_saddr_fini(mdb_walk_state_t *wsp) 1340 { 1341 saddr_walk_t *swalker = (saddr_walk_t *)wsp->walk_data; 1342 1343 mdb_free(swalker, sizeof (saddr_walk_t)); 1344 } 1345 1346 1347 typedef struct ill_walk_data { 1348 sctp_ill_hash_t ills[SCTP_ILL_HASH]; 1349 uint32_t count; 1350 } ill_walk_data_t; 1351 1352 typedef struct ipuf_walk_data { 1353 sctp_ipif_hash_t ipifs[SCTP_IPIF_HASH]; 1354 uint32_t count; 1355 } ipif_walk_data_t; 1356 1357 1358 int 1359 sctp_ill_walk_init(mdb_walk_state_t *wsp) 1360 { 1361 if (mdb_layered_walk("sctp_stacks", wsp) == -1) { 1362 mdb_warn("can't walk 'sctp_stacks'"); 1363 return (WALK_ERR); 1364 } 1365 1366 return (WALK_NEXT); 1367 } 1368 1369 int 1370 sctp_ill_walk_step(mdb_walk_state_t *wsp) 1371 { 1372 if (mdb_pwalk("sctp_stack_walk_ill", wsp->walk_callback, 1373 wsp->walk_cbdata, wsp->walk_addr) == -1) { 1374 mdb_warn("couldn't walk 'sctp_stack_walk_ill' for addr %p", 1375 wsp->walk_addr); 1376 return (WALK_ERR); 1377 } 1378 return (WALK_NEXT); 1379 } 1380 1381 /* 1382 * wsp->walk_addr is the address of sctps_ill_list 1383 */ 1384 static int 1385 sctp_stack_ill_walk_init(mdb_walk_state_t *wsp) 1386 { 1387 ill_walk_data_t iw; 1388 intptr_t i; 1389 uintptr_t kaddr, uaddr; 1390 size_t offset; 1391 1392 kaddr = wsp->walk_addr + OFFSETOF(sctp_stack_t, sctps_ills_count); 1393 if (mdb_vread(&iw.count, sizeof (iw.count), kaddr) == -1) { 1394 mdb_warn("can't read sctps_ills_count at %p", kaddr); 1395 return (WALK_ERR); 1396 } 1397 kaddr = wsp->walk_addr + OFFSETOF(sctp_stack_t, sctps_g_ills); 1398 1399 if (mdb_vread(&kaddr, sizeof (kaddr), kaddr) == -1) { 1400 mdb_warn("can't read scpts_g_ills %p", kaddr); 1401 return (WALK_ERR); 1402 } 1403 if (mdb_vread(&iw.ills, sizeof (iw.ills), kaddr) == -1) { 1404 mdb_warn("failed to read 'sctps_g_ills'"); 1405 return (NULL); 1406 } 1407 1408 /* Find the first ill. */ 1409 for (i = 0; i < SCTP_ILL_HASH; i++) { 1410 if (iw.ills[i].ill_count > 0) { 1411 uaddr = (uintptr_t)&iw.ills[i].sctp_ill_list; 1412 offset = uaddr - (uintptr_t)&iw.ills; 1413 if (mdb_pwalk("list", wsp->walk_callback, 1414 wsp->walk_cbdata, kaddr+offset) == -1) { 1415 mdb_warn("couldn't walk 'list' for address %p", 1416 kaddr); 1417 return (WALK_ERR); 1418 } 1419 } 1420 } 1421 return (WALK_DONE); 1422 } 1423 1424 static int 1425 sctp_stack_ill_walk_step(mdb_walk_state_t *wsp) 1426 { 1427 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer, 1428 wsp->walk_cbdata)); 1429 } 1430 1431 int 1432 sctp_ipif_walk_init(mdb_walk_state_t *wsp) 1433 { 1434 if (mdb_layered_walk("sctp_stacks", wsp) == -1) { 1435 mdb_warn("can't walk 'sctp_stacks'"); 1436 return (WALK_ERR); 1437 } 1438 return (WALK_NEXT); 1439 } 1440 1441 int 1442 sctp_ipif_walk_step(mdb_walk_state_t *wsp) 1443 { 1444 if (mdb_pwalk("sctp_stack_walk_ipif", wsp->walk_callback, 1445 wsp->walk_cbdata, wsp->walk_addr) == -1) { 1446 mdb_warn("couldn't walk 'sctp_stack_walk_ipif' for addr %p", 1447 wsp->walk_addr); 1448 return (WALK_ERR); 1449 } 1450 return (WALK_NEXT); 1451 } 1452 1453 /* 1454 * wsp->walk_addr is the address of sctps_ipif_list 1455 */ 1456 static int 1457 sctp_stack_ipif_walk_init(mdb_walk_state_t *wsp) 1458 { 1459 ipif_walk_data_t iw; 1460 intptr_t i; 1461 uintptr_t kaddr, uaddr; 1462 size_t offset; 1463 1464 kaddr = wsp->walk_addr + OFFSETOF(sctp_stack_t, sctps_g_ipifs_count); 1465 if (mdb_vread(&iw.count, sizeof (iw.count), kaddr) == -1) { 1466 mdb_warn("can't read sctps_g_ipifs_count at %p", kaddr); 1467 return (WALK_ERR); 1468 } 1469 kaddr = wsp->walk_addr + OFFSETOF(sctp_stack_t, sctps_g_ipifs); 1470 1471 if (mdb_vread(&kaddr, sizeof (kaddr), kaddr) == -1) { 1472 mdb_warn("can't read scpts_g_ipifs %p", kaddr); 1473 return (WALK_ERR); 1474 } 1475 if (mdb_vread(&iw.ipifs, sizeof (iw.ipifs), kaddr) == -1) { 1476 mdb_warn("failed to read 'sctps_g_ipifs'"); 1477 return (NULL); 1478 } 1479 1480 /* Find the first ipif. */ 1481 for (i = 0; i < SCTP_IPIF_HASH; i++) { 1482 if (iw.ipifs[i].ipif_count > 0) { 1483 uaddr = (uintptr_t)&iw.ipifs[i].sctp_ipif_list; 1484 offset = uaddr - (uintptr_t)&iw.ipifs; 1485 if (mdb_pwalk("list", wsp->walk_callback, 1486 wsp->walk_cbdata, kaddr+offset) == -1) { 1487 mdb_warn("couldn't walk 'list' for address %p", 1488 kaddr); 1489 return (WALK_ERR); 1490 } 1491 } 1492 } 1493 return (WALK_DONE); 1494 } 1495 1496 static int 1497 sctp_stack_ipif_walk_step(mdb_walk_state_t *wsp) 1498 { 1499 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer, 1500 wsp->walk_cbdata)); 1501 } 1502 1503 static void 1504 sctp_help(void) 1505 { 1506 mdb_printf("Print information for a given SCTP sctp_t\n\n"); 1507 mdb_printf("Options:\n"); 1508 mdb_printf("\t-a\t All the information\n"); 1509 mdb_printf("\t-f\t Flags\n"); 1510 mdb_printf("\t-h\t Hash Tables\n"); 1511 mdb_printf("\t-o\t Outbound Data\n"); 1512 mdb_printf("\t-i\t Inbound Data\n"); 1513 mdb_printf("\t-m\t Miscellaneous Information\n"); 1514 mdb_printf("\t-r\t RTT Tracking\n"); 1515 mdb_printf("\t-S\t Stats Counters\n"); 1516 mdb_printf("\t-F\t Flow Control\n"); 1517 mdb_printf("\t-H\t Composite Headers\n"); 1518 mdb_printf("\t-p\t PMTUD\n"); 1519 mdb_printf("\t-R\t Retransmit Information\n"); 1520 mdb_printf("\t-C\t Connection State\n"); 1521 mdb_printf("\t-c\t Cleanup / Close\n"); 1522 mdb_printf("\t-e\t Extensions and Reliable Control Chunks\n"); 1523 mdb_printf("\t-d\t Local and Peer addresses\n"); 1524 mdb_printf("\t-P\t Peer addresses\n"); 1525 } 1526 static const mdb_dcmd_t dcmds[] = { 1527 { "sctp", ":[-afhoimrSFHpRCcedP]", 1528 "display sctp control structure", sctp, sctp_help }, 1529 { "sctp_set", ":", "display a SCTP set", sctp_set }, 1530 { "sctp_faddr", ":", "display a faddr", sctp_faddr }, 1531 { "sctp_istr_msgs", ":", "display msg list on an instream", 1532 sctp_istr_msgs }, 1533 { "sctp_mdata_chunk", ":", "display a data chunk in an mblk", 1534 sctp_mdata_chunk }, 1535 { "sctp_xmit_list", ":", "display sctp xmit lists", sctp_xmit_list }, 1536 { "sctp_instr", ":", "display instr", sctp_instr }, 1537 { "sctp_reass_list", ":", "display reass list", sctp_reass_list }, 1538 { "sctp_uo_reass_list", ":", "display un-ordered reass list", 1539 sctp_uo_reass_list }, 1540 { NULL } 1541 }; 1542 1543 static const fanout_init_t listen_fanout_init = { 1544 "sctp_stack_listen_fanout", OFFSETOF(sctp_stack_t, sctps_listen_fanout), 1545 listen_size, listen_next 1546 }; 1547 1548 static const fanout_init_t conn_fanout_init = { 1549 "sctp_stack_conn_fanout", OFFSETOF(sctp_stack_t, sctps_conn_fanout), 1550 conn_size, conn_next 1551 }; 1552 1553 static const fanout_init_t bind_fanout_init = { 1554 "sctp_stack_bind_fanout", OFFSETOF(sctp_stack_t, sctps_bind_fanout), 1555 bind_size, bind_next 1556 }; 1557 1558 static const mdb_walker_t walkers[] = { 1559 { "sctps", "walk the full chain of sctps for all stacks", 1560 sctps_walk_init, sctps_walk_step, NULL }, 1561 { "sctp_listen_fanout", "walk the sctp listen fanout for all stacks", 1562 fanout_walk_init, fanout_walk_step, NULL, 1563 (void *)&listen_fanout_init }, 1564 { "sctp_conn_fanout", "walk the sctp conn fanout for all stacks", 1565 fanout_walk_init, fanout_walk_step, NULL, 1566 (void *)&conn_fanout_init }, 1567 { "sctp_bind_fanout", "walk the sctp bind fanout for all stacks", 1568 fanout_walk_init, fanout_walk_step, NULL, 1569 (void *)&bind_fanout_init }, 1570 { "sctp_stack_listen_fanout", 1571 "walk the sctp listen fanout for one stack", 1572 fanout_stack_walk_init, fanout_stack_walk_step, 1573 fanout_stack_walk_fini, 1574 (void *)&listen_fanout_init }, 1575 { "sctp_stack_conn_fanout", "walk the sctp conn fanout for one stack", 1576 fanout_stack_walk_init, fanout_stack_walk_step, 1577 fanout_stack_walk_fini, 1578 (void *)&conn_fanout_init }, 1579 { "sctp_stack_bind_fanout", "walk the sctp bind fanoutfor one stack", 1580 fanout_stack_walk_init, fanout_stack_walk_step, 1581 fanout_stack_walk_fini, 1582 (void *)&bind_fanout_init }, 1583 { "sctp_walk_faddr", "walk the peer address list of a given sctp_t", 1584 sctp_walk_faddr_init, sctp_walk_faddr_step, NULL }, 1585 { "sctp_walk_saddr", "walk the local address list of a given sctp_t", 1586 sctp_walk_saddr_init, sctp_walk_saddr_step, sctp_walk_saddr_fini }, 1587 { "sctp_walk_ill", "walk the sctp_g_ills list for all stacks", 1588 sctp_ill_walk_init, sctp_ill_walk_step, NULL }, 1589 { "sctp_walk_ipif", "walk the sctp_g_ipif list for all stacks", 1590 sctp_ipif_walk_init, sctp_ipif_walk_step, NULL }, 1591 { "sctp_stack_walk_ill", "walk the sctp_g_ills list for one stack", 1592 sctp_stack_ill_walk_init, sctp_stack_ill_walk_step, NULL }, 1593 { "sctp_stack_walk_ipif", "walk the sctp_g_ipif list for one stack", 1594 sctp_stack_ipif_walk_init, sctp_stack_ipif_walk_step, NULL }, 1595 { "sctp_stacks", "walk all the sctp_stack_t", 1596 sctp_stacks_walk_init, sctp_stacks_walk_step, NULL }, 1597 { NULL } 1598 }; 1599 1600 static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, walkers }; 1601 1602 const mdb_modinfo_t * 1603 _mdb_init(void) 1604 { 1605 return (&modinfo); 1606 } 1607
Indexes created Sun Nov 22 02:16:54 UTC 2009
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