sctp_pcb.h revision 218219
1/*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2011, by Randall Stewart, rrs@lakerest.net and 4 * Michael Tuexen, tuexen@fh-muenster.de 5 * All rights reserved. 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33/* $KAME: sctp_pcb.h,v 1.21 2005/07/16 01:18:47 suz Exp $ */ 34 35#include <sys/cdefs.h> 36__FBSDID("$FreeBSD: head/sys/netinet/sctp_pcb.h 218219 2011-02-03 11:52:22Z rrs $"); 37 38#ifndef __sctp_pcb_h__ 39#define __sctp_pcb_h__ 40 41#include <netinet/sctp_os.h> 42#include <netinet/sctp.h> 43#include <netinet/sctp_constants.h> 44#include <netinet/sctp_sysctl.h> 45 46LIST_HEAD(sctppcbhead, sctp_inpcb); 47LIST_HEAD(sctpasochead, sctp_tcb); 48LIST_HEAD(sctpladdr, sctp_laddr); 49LIST_HEAD(sctpvtaghead, sctp_tagblock); 50LIST_HEAD(sctp_vrflist, sctp_vrf); 51LIST_HEAD(sctp_ifnlist, sctp_ifn); 52LIST_HEAD(sctp_ifalist, sctp_ifa); 53TAILQ_HEAD(sctp_readhead, sctp_queued_to_read); 54TAILQ_HEAD(sctp_streamhead, sctp_stream_queue_pending); 55 56#include <netinet/sctp_structs.h> 57#include <netinet/sctp_auth.h> 58 59#define SCTP_PCBHASH_ALLADDR(port, mask) (port & mask) 60#define SCTP_PCBHASH_ASOC(tag, mask) (tag & mask) 61 62struct sctp_vrf { 63 LIST_ENTRY(sctp_vrf) next_vrf; 64 struct sctp_ifalist *vrf_addr_hash; 65 struct sctp_ifnlist ifnlist; 66 uint32_t vrf_id; 67 uint32_t tbl_id_v4; /* default v4 table id */ 68 uint32_t tbl_id_v6; /* default v6 table id */ 69 uint32_t total_ifa_count; 70 u_long vrf_addr_hashmark; 71 uint32_t refcount; 72}; 73 74struct sctp_ifn { 75 struct sctp_ifalist ifalist; 76 struct sctp_vrf *vrf; 77 LIST_ENTRY(sctp_ifn) next_ifn; 78 LIST_ENTRY(sctp_ifn) next_bucket; 79 void *ifn_p; /* never access without appropriate lock */ 80 uint32_t ifn_mtu; 81 uint32_t ifn_type; 82 uint32_t ifn_index; /* shorthand way to look at ifn for reference */ 83 uint32_t refcount; /* number of reference held should be >= 84 * ifa_count */ 85 uint32_t ifa_count; /* IFA's we hold (in our list - ifalist) */ 86 uint32_t num_v6; /* number of v6 addresses */ 87 uint32_t num_v4; /* number of v4 addresses */ 88 uint32_t registered_af; /* registered address family for i/f events */ 89 char ifn_name[SCTP_IFNAMSIZ]; 90}; 91 92/* SCTP local IFA flags */ 93#define SCTP_ADDR_VALID 0x00000001 /* its up and active */ 94#define SCTP_BEING_DELETED 0x00000002 /* being deleted, when 95 * refcount = 0. Note that it 96 * is pulled from the ifn list 97 * and ifa_p is nulled right 98 * away but it cannot be freed 99 * until the last *net 100 * pointing to it is deleted. */ 101#define SCTP_ADDR_DEFER_USE 0x00000004 /* Hold off using this one */ 102#define SCTP_ADDR_IFA_UNUSEABLE 0x00000008 103 104struct sctp_ifa { 105 LIST_ENTRY(sctp_ifa) next_ifa; 106 LIST_ENTRY(sctp_ifa) next_bucket; 107 struct sctp_ifn *ifn_p; /* back pointer to parent ifn */ 108 void *ifa; /* pointer to ifa, needed for flag update for 109 * that we MUST lock appropriate locks. This 110 * is for V6. */ 111 union sctp_sockstore address; 112 uint32_t refcount; /* number of folks refering to this */ 113 uint32_t flags; 114 uint32_t localifa_flags; 115 uint32_t vrf_id; /* vrf_id of this addr (for deleting) */ 116 uint8_t src_is_loop; 117 uint8_t src_is_priv; 118 uint8_t src_is_glob; 119 uint8_t resv; 120}; 121 122struct sctp_laddr { 123 LIST_ENTRY(sctp_laddr) sctp_nxt_addr; /* next in list */ 124 struct sctp_ifa *ifa; 125 uint32_t action; /* Used during asconf and adding if no-zero 126 * src-addr selection will not consider this 127 * address. */ 128 struct timeval start_time; /* time when this address was created */ 129}; 130 131struct sctp_block_entry { 132 int error; 133}; 134 135struct sctp_timewait { 136 uint32_t tv_sec_at_expire; /* the seconds from boot to expire */ 137 uint32_t v_tag; /* the vtag that can not be reused */ 138 uint16_t lport; /* the local port used in vtag */ 139 uint16_t rport; /* the remote port used in vtag */ 140}; 141 142struct sctp_tagblock { 143 LIST_ENTRY(sctp_tagblock) sctp_nxt_tagblock; 144 struct sctp_timewait vtag_block[SCTP_NUMBER_IN_VTAG_BLOCK]; 145}; 146 147 148struct sctp_epinfo { 149 struct socket *udp_tun_socket; 150 struct sctpasochead *sctp_asochash; 151 u_long hashasocmark; 152 153 struct sctppcbhead *sctp_ephash; 154 u_long hashmark; 155 156 /*- 157 * The TCP model represents a substantial overhead in that we get an 158 * additional hash table to keep explicit connections in. The 159 * listening TCP endpoint will exist in the usual ephash above and 160 * accept only INIT's. It will be incapable of sending off an INIT. 161 * When a dg arrives we must look in the normal ephash. If we find a 162 * TCP endpoint that will tell us to go to the specific endpoint 163 * hash and re-hash to find the right assoc/socket. If we find a UDP 164 * model socket we then must complete the lookup. If this fails, 165 * i.e. no association can be found then we must continue to see if 166 * a sctp_peeloff()'d socket is in the tcpephash (a spun off socket 167 * acts like a TCP model connected socket). 168 */ 169 struct sctppcbhead *sctp_tcpephash; 170 u_long hashtcpmark; 171 uint32_t hashtblsize; 172 173 struct sctp_vrflist *sctp_vrfhash; 174 u_long hashvrfmark; 175 176 struct sctp_ifnlist *vrf_ifn_hash; 177 u_long vrf_ifn_hashmark; 178 179 struct sctppcbhead listhead; 180 struct sctpladdr addr_wq; 181 182 /* ep zone info */ 183 sctp_zone_t ipi_zone_ep; 184 sctp_zone_t ipi_zone_asoc; 185 sctp_zone_t ipi_zone_laddr; 186 sctp_zone_t ipi_zone_net; 187 sctp_zone_t ipi_zone_chunk; 188 sctp_zone_t ipi_zone_readq; 189 sctp_zone_t ipi_zone_strmoq; 190 sctp_zone_t ipi_zone_asconf; 191 sctp_zone_t ipi_zone_asconf_ack; 192 193 struct rwlock ipi_ep_mtx; 194 struct mtx ipi_iterator_wq_mtx; 195 struct rwlock ipi_addr_mtx; 196 struct mtx ipi_pktlog_mtx; 197 struct mtx wq_addr_mtx; 198 uint32_t ipi_count_ep; 199 200 /* assoc/tcb zone info */ 201 uint32_t ipi_count_asoc; 202 203 /* local addrlist zone info */ 204 uint32_t ipi_count_laddr; 205 206 /* remote addrlist zone info */ 207 uint32_t ipi_count_raddr; 208 209 /* chunk structure list for output */ 210 uint32_t ipi_count_chunk; 211 212 /* socket queue zone info */ 213 uint32_t ipi_count_readq; 214 215 /* socket queue zone info */ 216 uint32_t ipi_count_strmoq; 217 218 /* Number of vrfs */ 219 uint32_t ipi_count_vrfs; 220 221 /* Number of ifns */ 222 uint32_t ipi_count_ifns; 223 224 /* Number of ifas */ 225 uint32_t ipi_count_ifas; 226 227 /* system wide number of free chunks hanging around */ 228 uint32_t ipi_free_chunks; 229 uint32_t ipi_free_strmoq; 230 231 struct sctpvtaghead vtag_timewait[SCTP_STACK_VTAG_HASH_SIZE]; 232 233 /* address work queue handling */ 234 struct sctp_timer addr_wq_timer; 235 236}; 237 238 239struct sctp_base_info { 240 /* 241 * All static structures that anchor the system must be here. 242 */ 243 struct sctp_epinfo sctppcbinfo; 244#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 245 struct sctpstat *sctpstat; 246#else 247 struct sctpstat sctpstat; 248#endif 249 struct sctp_sysctl sctpsysctl; 250 uint8_t first_time; 251 char sctp_pcb_initialized; 252#if defined(SCTP_PACKET_LOGGING) 253 int packet_log_writers; 254 int packet_log_end; 255 uint8_t packet_log_buffer[SCTP_PACKET_LOG_SIZE]; 256#endif 257}; 258 259/*- 260 * Here we have all the relevant information for each SCTP entity created. We 261 * will need to modify this as approprate. We also need to figure out how to 262 * access /dev/random. 263 */ 264struct sctp_pcb { 265 unsigned int time_of_secret_change; /* number of seconds from 266 * timeval.tv_sec */ 267 uint32_t secret_key[SCTP_HOW_MANY_SECRETS][SCTP_NUMBER_OF_SECRETS]; 268 unsigned int size_of_a_cookie; 269 270 unsigned int sctp_timeoutticks[SCTP_NUM_TMRS]; 271 unsigned int sctp_minrto; 272 unsigned int sctp_maxrto; 273 unsigned int initial_rto; 274 int initial_init_rto_max; 275 276 unsigned int sctp_sack_freq; 277 uint32_t sctp_sws_sender; 278 uint32_t sctp_sws_receiver; 279 280 uint32_t sctp_default_cc_module; 281 uint32_t sctp_default_ss_module; 282 /* authentication related fields */ 283 struct sctp_keyhead shared_keys; 284 sctp_auth_chklist_t *local_auth_chunks; 285 sctp_hmaclist_t *local_hmacs; 286 uint16_t default_keyid; 287 288 /* various thresholds */ 289 /* Max times I will init at a guy */ 290 uint16_t max_init_times; 291 292 /* Max times I will send before we consider someone dead */ 293 uint16_t max_send_times; 294 295 uint16_t def_net_failure; 296 297 /* number of streams to pre-open on a association */ 298 uint16_t pre_open_stream_count; 299 uint16_t max_open_streams_intome; 300 301 /* random number generator */ 302 uint32_t random_counter; 303 uint8_t random_numbers[SCTP_SIGNATURE_ALOC_SIZE]; 304 uint8_t random_store[SCTP_SIGNATURE_ALOC_SIZE]; 305 306 /* 307 * This timer is kept running per endpoint. When it fires it will 308 * change the secret key. The default is once a hour 309 */ 310 struct sctp_timer signature_change; 311 312 /* Zero copy full buffer timer */ 313 struct sctp_timer zero_copy_timer; 314 /* Zero copy app to transport (sendq) read repulse timer */ 315 struct sctp_timer zero_copy_sendq_timer; 316 uint32_t def_cookie_life; 317 /* defaults to 0 */ 318 int auto_close_time; 319 uint32_t initial_sequence_debug; 320 uint32_t adaptation_layer_indicator; 321 uint32_t store_at; 322 uint32_t max_burst; 323 uint32_t fr_max_burst; 324 char current_secret_number; 325 char last_secret_number; 326}; 327 328#ifndef SCTP_ALIGNMENT 329#define SCTP_ALIGNMENT 32 330#endif 331 332#ifndef SCTP_ALIGNM1 333#define SCTP_ALIGNM1 (SCTP_ALIGNMENT-1) 334#endif 335 336#define sctp_lport ip_inp.inp.inp_lport 337 338struct sctp_pcbtsn_rlog { 339 uint32_t vtag; 340 uint16_t strm; 341 uint16_t seq; 342 uint16_t sz; 343 uint16_t flgs; 344}; 345 346#define SCTP_READ_LOG_SIZE 135 /* we choose the number to make a pcb a page */ 347 348 349struct sctp_inpcb { 350 /*- 351 * put an inpcb in front of it all, kind of a waste but we need to 352 * for compatability with all the other stuff. 353 */ 354 union { 355 struct inpcb inp; 356 char align[(sizeof(struct in6pcb) + SCTP_ALIGNM1) & 357 ~SCTP_ALIGNM1]; 358 } ip_inp; 359 360 361 /* Socket buffer lock protects read_queue and of course sb_cc */ 362 struct sctp_readhead read_queue; 363 364 LIST_ENTRY(sctp_inpcb) sctp_list; /* lists all endpoints */ 365 /* hash of all endpoints for model */ 366 LIST_ENTRY(sctp_inpcb) sctp_hash; 367 /* count of local addresses bound, 0 if bound all */ 368 int laddr_count; 369 370 /* list of addrs in use by the EP, NULL if bound-all */ 371 struct sctpladdr sctp_addr_list; 372 /* 373 * used for source address selection rotation when we are subset 374 * bound 375 */ 376 struct sctp_laddr *next_addr_touse; 377 378 /* back pointer to our socket */ 379 struct socket *sctp_socket; 380 uint32_t sctp_flags; /* INP state flag set */ 381 uint32_t sctp_features; /* Feature flags */ 382 uint32_t sctp_mobility_features; /* Mobility Feature flags */ 383 struct sctp_pcb sctp_ep;/* SCTP ep data */ 384 /* head of the hash of all associations */ 385 struct sctpasochead *sctp_tcbhash; 386 u_long sctp_hashmark; 387 /* head of the list of all associations */ 388 struct sctpasochead sctp_asoc_list; 389#ifdef SCTP_TRACK_FREED_ASOCS 390 struct sctpasochead sctp_asoc_free_list; 391#endif 392 struct sctp_iterator *inp_starting_point_for_iterator; 393 uint32_t sctp_frag_point; 394 uint32_t partial_delivery_point; 395 uint32_t sctp_context; 396 uint32_t sctp_cmt_on_off; 397 struct sctp_nonpad_sndrcvinfo def_send; 398 /*- 399 * These three are here for the sosend_dgram 400 * (pkt, pkt_last and control). 401 * routine. However, I don't think anyone in 402 * the current FreeBSD kernel calls this. So 403 * they are candidates with sctp_sendm for 404 * de-supporting. 405 */ 406 struct mbuf *pkt, *pkt_last; 407 struct mbuf *control; 408 struct mtx inp_mtx; 409 struct mtx inp_create_mtx; 410 struct mtx inp_rdata_mtx; 411 int32_t refcount; 412 uint32_t def_vrf_id; 413 uint32_t total_sends; 414 uint32_t total_recvs; 415 uint32_t last_abort_code; 416 uint32_t total_nospaces; 417 struct sctpasochead *sctp_asocidhash; 418 u_long hashasocidmark; 419 uint32_t sctp_associd_counter; 420 421#ifdef SCTP_ASOCLOG_OF_TSNS 422 struct sctp_pcbtsn_rlog readlog[SCTP_READ_LOG_SIZE]; 423 uint32_t readlog_index; 424#endif 425}; 426 427struct sctp_tcb { 428 struct socket *sctp_socket; /* back pointer to socket */ 429 struct sctp_inpcb *sctp_ep; /* back pointer to ep */ 430 LIST_ENTRY(sctp_tcb) sctp_tcbhash; /* next link in hash 431 * table */ 432 LIST_ENTRY(sctp_tcb) sctp_tcblist; /* list of all of the 433 * TCB's */ 434 LIST_ENTRY(sctp_tcb) sctp_tcbasocidhash; /* next link in asocid 435 * hash table */ 436 LIST_ENTRY(sctp_tcb) sctp_asocs; /* vtag hash list */ 437 struct sctp_block_entry *block_entry; /* pointer locked by socket 438 * send buffer */ 439 struct sctp_association asoc; 440 /*- 441 * freed_by_sorcv_sincelast is protected by the sockbuf_lock NOT the 442 * tcb_lock. Its special in this way to help avoid extra mutex calls 443 * in the reading of data. 444 */ 445 uint32_t freed_by_sorcv_sincelast; 446 uint32_t total_sends; 447 uint32_t total_recvs; 448 int freed_from_where; 449 uint16_t rport; /* remote port in network format */ 450 uint16_t resv; 451 struct mtx tcb_mtx; 452 struct mtx tcb_send_mtx; 453}; 454 455 456 457#include <netinet/sctp_lock_bsd.h> 458 459 460/* TODO where to put non-_KERNEL things for __Userspace__? */ 461#if defined(_KERNEL) || defined(__Userspace__) 462 463/* Attention Julian, this is the extern that 464 * goes with the base info. sctp_pcb.c has 465 * the real definition. 466 */ 467VNET_DECLARE(struct sctp_base_info, system_base_info); 468 469#ifdef INET6 470int SCTP6_ARE_ADDR_EQUAL(struct sockaddr_in6 *a, struct sockaddr_in6 *b); 471 472#endif 473 474void sctp_fill_pcbinfo(struct sctp_pcbinfo *); 475 476struct sctp_ifn * 477 sctp_find_ifn(void *ifn, uint32_t ifn_index); 478 479struct sctp_vrf *sctp_allocate_vrf(int vrfid); 480struct sctp_vrf *sctp_find_vrf(uint32_t vrfid); 481void sctp_free_vrf(struct sctp_vrf *vrf); 482 483/*- 484 * Change address state, can be used if 485 * O/S supports telling transports about 486 * changes to IFA/IFN's (link layer triggers). 487 * If a ifn goes down, we will do src-addr-selection 488 * and NOT use that, as a source address. This does 489 * not stop the routing system from routing out 490 * that interface, but we won't put it as a source. 491 */ 492void sctp_mark_ifa_addr_down(uint32_t vrf_id, struct sockaddr *addr, const char *if_name, uint32_t ifn_index); 493void sctp_mark_ifa_addr_up(uint32_t vrf_id, struct sockaddr *addr, const char *if_name, uint32_t ifn_index); 494 495struct sctp_ifa * 496sctp_add_addr_to_vrf(uint32_t vrfid, 497 void *ifn, uint32_t ifn_index, uint32_t ifn_type, 498 const char *if_name, 499 void *ifa, struct sockaddr *addr, uint32_t ifa_flags, 500 int dynamic_add); 501 502void sctp_update_ifn_mtu(uint32_t ifn_index, uint32_t mtu); 503 504void sctp_free_ifn(struct sctp_ifn *sctp_ifnp); 505void sctp_free_ifa(struct sctp_ifa *sctp_ifap); 506 507 508void 509sctp_del_addr_from_vrf(uint32_t vrfid, struct sockaddr *addr, 510 uint32_t ifn_index, const char *if_name); 511 512 513 514struct sctp_nets *sctp_findnet(struct sctp_tcb *, struct sockaddr *); 515 516struct sctp_inpcb *sctp_pcb_findep(struct sockaddr *, int, int, uint32_t); 517 518int 519sctp_inpcb_bind(struct socket *, struct sockaddr *, 520 struct sctp_ifa *, struct thread *); 521 522struct sctp_tcb * 523sctp_findassociation_addr(struct mbuf *, int, int, 524 struct sctphdr *, struct sctp_chunkhdr *, struct sctp_inpcb **, 525 struct sctp_nets **, uint32_t vrf_id); 526 527struct sctp_tcb * 528sctp_findassociation_addr_sa(struct sockaddr *, 529 struct sockaddr *, struct sctp_inpcb **, struct sctp_nets **, int, uint32_t); 530 531void 532sctp_move_pcb_and_assoc(struct sctp_inpcb *, struct sctp_inpcb *, 533 struct sctp_tcb *); 534 535/*- 536 * For this call ep_addr, the to is the destination endpoint address of the 537 * peer (relative to outbound). The from field is only used if the TCP model 538 * is enabled and helps distingush amongst the subset bound (non-boundall). 539 * The TCP model MAY change the actual ep field, this is why it is passed. 540 */ 541struct sctp_tcb * 542sctp_findassociation_ep_addr(struct sctp_inpcb **, 543 struct sockaddr *, struct sctp_nets **, struct sockaddr *, 544 struct sctp_tcb *); 545 546struct sctp_tcb * 547 sctp_findasoc_ep_asocid_locked(struct sctp_inpcb *inp, sctp_assoc_t asoc_id, int want_lock); 548 549struct sctp_tcb * 550sctp_findassociation_ep_asocid(struct sctp_inpcb *, 551 sctp_assoc_t, int); 552 553struct sctp_tcb * 554sctp_findassociation_ep_asconf(struct mbuf *, int, int, 555 struct sctphdr *, struct sctp_inpcb **, struct sctp_nets **, uint32_t vrf_id); 556 557int sctp_inpcb_alloc(struct socket *so, uint32_t vrf_id); 558 559int sctp_is_address_on_local_host(struct sockaddr *addr, uint32_t vrf_id); 560 561void sctp_inpcb_free(struct sctp_inpcb *, int, int); 562 563struct sctp_tcb * 564sctp_aloc_assoc(struct sctp_inpcb *, struct sockaddr *, 565 int *, uint32_t, uint32_t, struct thread *); 566 567int sctp_free_assoc(struct sctp_inpcb *, struct sctp_tcb *, int, int); 568 569 570void sctp_delete_from_timewait(uint32_t, uint16_t, uint16_t); 571 572int sctp_is_in_timewait(uint32_t tag, uint16_t lport, uint16_t rport); 573 574void 575 sctp_add_vtag_to_timewait(uint32_t tag, uint32_t time, uint16_t lport, uint16_t rport); 576 577void sctp_add_local_addr_ep(struct sctp_inpcb *, struct sctp_ifa *, uint32_t); 578 579int sctp_insert_laddr(struct sctpladdr *, struct sctp_ifa *, uint32_t); 580 581void sctp_remove_laddr(struct sctp_laddr *); 582 583void sctp_del_local_addr_ep(struct sctp_inpcb *, struct sctp_ifa *); 584 585int sctp_add_remote_addr(struct sctp_tcb *, struct sockaddr *, int, int); 586 587void sctp_remove_net(struct sctp_tcb *, struct sctp_nets *); 588 589int sctp_del_remote_addr(struct sctp_tcb *, struct sockaddr *); 590 591void sctp_pcb_init(void); 592 593void sctp_pcb_finish(void); 594 595void sctp_add_local_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 596void sctp_del_local_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 597 598int 599sctp_load_addresses_from_init(struct sctp_tcb *, struct mbuf *, int, int, 600 int, struct sctphdr *, struct sockaddr *); 601 602int 603sctp_set_primary_addr(struct sctp_tcb *, struct sockaddr *, 604 struct sctp_nets *); 605 606int sctp_is_vtag_good(struct sctp_inpcb *, uint32_t, uint16_t lport, uint16_t rport, struct timeval *, int); 607 608/* void sctp_drain(void); */ 609 610int sctp_destination_is_reachable(struct sctp_tcb *, struct sockaddr *); 611 612int sctp_swap_inpcb_for_listen(struct sctp_inpcb *inp); 613 614/*- 615 * Null in last arg inpcb indicate run on ALL ep's. Specific inp in last arg 616 * indicates run on ONLY assoc's of the specified endpoint. 617 */ 618int 619sctp_initiate_iterator(inp_func inpf, 620 asoc_func af, 621 inp_func inpe, 622 uint32_t, uint32_t, 623 uint32_t, void *, 624 uint32_t, 625 end_func ef, 626 struct sctp_inpcb *, 627 uint8_t co_off); 628 629#if defined(__FreeBSD__) && defined(SCTP_MCORE_INPUT) && defined(SMP) 630void 631 sctp_queue_to_mcore(struct mbuf *m, int off, int cpu_to_use); 632 633#endif 634 635#ifdef INVARIANTS 636void 637 sctp_validate_no_locks(struct sctp_inpcb *inp); 638 639#endif 640 641#endif /* _KERNEL */ 642#endif /* !__sctp_pcb_h__ */ 643