sctp_pcb.h revision 228653
1/*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved. 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * a) Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * b) Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in 13 * the documentation and/or other materials provided with the distribution. 14 * 15 * c) Neither the name of Cisco Systems, Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 29 * THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32/* $KAME: sctp_pcb.h,v 1.21 2005/07/16 01:18:47 suz Exp $ */ 33 34#include <sys/cdefs.h> 35__FBSDID("$FreeBSD: head/sys/netinet/sctp_pcb.h 228653 2011-12-17 19:21:40Z tuexen $"); 36 37#ifndef __sctp_pcb_h__ 38#define __sctp_pcb_h__ 39 40#include <netinet/sctp_os.h> 41#include <netinet/sctp.h> 42#include <netinet/sctp_constants.h> 43#include <netinet/sctp_sysctl.h> 44 45LIST_HEAD(sctppcbhead, sctp_inpcb); 46LIST_HEAD(sctpasochead, sctp_tcb); 47LIST_HEAD(sctpladdr, sctp_laddr); 48LIST_HEAD(sctpvtaghead, sctp_tagblock); 49LIST_HEAD(sctp_vrflist, sctp_vrf); 50LIST_HEAD(sctp_ifnlist, sctp_ifn); 51LIST_HEAD(sctp_ifalist, sctp_ifa); 52TAILQ_HEAD(sctp_readhead, sctp_queued_to_read); 53TAILQ_HEAD(sctp_streamhead, sctp_stream_queue_pending); 54 55#include <netinet/sctp_structs.h> 56#include <netinet/sctp_auth.h> 57 58#define SCTP_PCBHASH_ALLADDR(port, mask) (port & mask) 59#define SCTP_PCBHASH_ASOC(tag, mask) (tag & mask) 60 61struct sctp_vrf { 62 LIST_ENTRY(sctp_vrf) next_vrf; 63 struct sctp_ifalist *vrf_addr_hash; 64 struct sctp_ifnlist ifnlist; 65 uint32_t vrf_id; 66 uint32_t tbl_id_v4; /* default v4 table id */ 67 uint32_t tbl_id_v6; /* default v6 table id */ 68 uint32_t total_ifa_count; 69 u_long vrf_addr_hashmark; 70 uint32_t refcount; 71}; 72 73struct sctp_ifn { 74 struct sctp_ifalist ifalist; 75 struct sctp_vrf *vrf; 76 LIST_ENTRY(sctp_ifn) next_ifn; 77 LIST_ENTRY(sctp_ifn) next_bucket; 78 void *ifn_p; /* never access without appropriate lock */ 79 uint32_t ifn_mtu; 80 uint32_t ifn_type; 81 uint32_t ifn_index; /* shorthand way to look at ifn for reference */ 82 uint32_t refcount; /* number of reference held should be >= 83 * ifa_count */ 84 uint32_t ifa_count; /* IFA's we hold (in our list - ifalist) */ 85 uint32_t num_v6; /* number of v6 addresses */ 86 uint32_t num_v4; /* number of v4 addresses */ 87 uint32_t registered_af; /* registered address family for i/f events */ 88 char ifn_name[SCTP_IFNAMSIZ]; 89}; 90 91/* SCTP local IFA flags */ 92#define SCTP_ADDR_VALID 0x00000001 /* its up and active */ 93#define SCTP_BEING_DELETED 0x00000002 /* being deleted, when 94 * refcount = 0. Note that it 95 * is pulled from the ifn list 96 * and ifa_p is nulled right 97 * away but it cannot be freed 98 * until the last *net 99 * pointing to it is deleted. */ 100#define SCTP_ADDR_DEFER_USE 0x00000004 /* Hold off using this one */ 101#define SCTP_ADDR_IFA_UNUSEABLE 0x00000008 102 103struct sctp_ifa { 104 LIST_ENTRY(sctp_ifa) next_ifa; 105 LIST_ENTRY(sctp_ifa) next_bucket; 106 struct sctp_ifn *ifn_p; /* back pointer to parent ifn */ 107 void *ifa; /* pointer to ifa, needed for flag update for 108 * that we MUST lock appropriate locks. This 109 * is for V6. */ 110 union sctp_sockstore address; 111 uint32_t refcount; /* number of folks refering to this */ 112 uint32_t flags; 113 uint32_t localifa_flags; 114 uint32_t vrf_id; /* vrf_id of this addr (for deleting) */ 115 uint8_t src_is_loop; 116 uint8_t src_is_priv; 117 uint8_t src_is_glob; 118 uint8_t resv; 119}; 120 121struct sctp_laddr { 122 LIST_ENTRY(sctp_laddr) sctp_nxt_addr; /* next in list */ 123 struct sctp_ifa *ifa; 124 uint32_t action; /* Used during asconf and adding if no-zero 125 * src-addr selection will not consider this 126 * address. */ 127 struct timeval start_time; /* time when this address was created */ 128}; 129 130struct sctp_block_entry { 131 int error; 132}; 133 134struct sctp_timewait { 135 uint32_t tv_sec_at_expire; /* the seconds from boot to expire */ 136 uint32_t v_tag; /* the vtag that can not be reused */ 137 uint16_t lport; /* the local port used in vtag */ 138 uint16_t rport; /* the remote port used in vtag */ 139}; 140 141struct sctp_tagblock { 142 LIST_ENTRY(sctp_tagblock) sctp_nxt_tagblock; 143 struct sctp_timewait vtag_block[SCTP_NUMBER_IN_VTAG_BLOCK]; 144}; 145 146 147struct sctp_epinfo { 148 struct socket *udp_tun_socket; 149 struct sctpasochead *sctp_asochash; 150 u_long hashasocmark; 151 152 struct sctppcbhead *sctp_ephash; 153 u_long hashmark; 154 155 /*- 156 * The TCP model represents a substantial overhead in that we get an 157 * additional hash table to keep explicit connections in. The 158 * listening TCP endpoint will exist in the usual ephash above and 159 * accept only INIT's. It will be incapable of sending off an INIT. 160 * When a dg arrives we must look in the normal ephash. If we find a 161 * TCP endpoint that will tell us to go to the specific endpoint 162 * hash and re-hash to find the right assoc/socket. If we find a UDP 163 * model socket we then must complete the lookup. If this fails, 164 * i.e. no association can be found then we must continue to see if 165 * a sctp_peeloff()'d socket is in the tcpephash (a spun off socket 166 * acts like a TCP model connected socket). 167 */ 168 struct sctppcbhead *sctp_tcpephash; 169 u_long hashtcpmark; 170 uint32_t hashtblsize; 171 172 struct sctp_vrflist *sctp_vrfhash; 173 u_long hashvrfmark; 174 175 struct sctp_ifnlist *vrf_ifn_hash; 176 u_long vrf_ifn_hashmark; 177 178 struct sctppcbhead listhead; 179 struct sctpladdr addr_wq; 180 181 /* ep zone info */ 182 sctp_zone_t ipi_zone_ep; 183 sctp_zone_t ipi_zone_asoc; 184 sctp_zone_t ipi_zone_laddr; 185 sctp_zone_t ipi_zone_net; 186 sctp_zone_t ipi_zone_chunk; 187 sctp_zone_t ipi_zone_readq; 188 sctp_zone_t ipi_zone_strmoq; 189 sctp_zone_t ipi_zone_asconf; 190 sctp_zone_t ipi_zone_asconf_ack; 191 192 struct rwlock ipi_ep_mtx; 193 struct mtx ipi_iterator_wq_mtx; 194 struct rwlock ipi_addr_mtx; 195 struct mtx ipi_pktlog_mtx; 196 struct mtx wq_addr_mtx; 197 uint32_t ipi_count_ep; 198 199 /* assoc/tcb zone info */ 200 uint32_t ipi_count_asoc; 201 202 /* local addrlist zone info */ 203 uint32_t ipi_count_laddr; 204 205 /* remote addrlist zone info */ 206 uint32_t ipi_count_raddr; 207 208 /* chunk structure list for output */ 209 uint32_t ipi_count_chunk; 210 211 /* socket queue zone info */ 212 uint32_t ipi_count_readq; 213 214 /* socket queue zone info */ 215 uint32_t ipi_count_strmoq; 216 217 /* Number of vrfs */ 218 uint32_t ipi_count_vrfs; 219 220 /* Number of ifns */ 221 uint32_t ipi_count_ifns; 222 223 /* Number of ifas */ 224 uint32_t ipi_count_ifas; 225 226 /* system wide number of free chunks hanging around */ 227 uint32_t ipi_free_chunks; 228 uint32_t ipi_free_strmoq; 229 230 struct sctpvtaghead vtag_timewait[SCTP_STACK_VTAG_HASH_SIZE]; 231 232 /* address work queue handling */ 233 struct sctp_timer addr_wq_timer; 234 235}; 236 237 238struct sctp_base_info { 239 /* 240 * All static structures that anchor the system must be here. 241 */ 242 struct sctp_epinfo sctppcbinfo; 243#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 244 struct sctpstat *sctpstat; 245#else 246 struct sctpstat sctpstat; 247#endif 248 struct sctp_sysctl sctpsysctl; 249 uint8_t first_time; 250 char sctp_pcb_initialized; 251#if defined(SCTP_PACKET_LOGGING) 252 int packet_log_writers; 253 int packet_log_end; 254 uint8_t packet_log_buffer[SCTP_PACKET_LOG_SIZE]; 255#endif 256}; 257 258/*- 259 * Here we have all the relevant information for each SCTP entity created. We 260 * will need to modify this as approprate. We also need to figure out how to 261 * access /dev/random. 262 */ 263struct sctp_pcb { 264 unsigned int time_of_secret_change; /* number of seconds from 265 * timeval.tv_sec */ 266 uint32_t secret_key[SCTP_HOW_MANY_SECRETS][SCTP_NUMBER_OF_SECRETS]; 267 unsigned int size_of_a_cookie; 268 269 unsigned int sctp_timeoutticks[SCTP_NUM_TMRS]; 270 unsigned int sctp_minrto; 271 unsigned int sctp_maxrto; 272 unsigned int initial_rto; 273 int initial_init_rto_max; 274 275 unsigned int sctp_sack_freq; 276 uint32_t sctp_sws_sender; 277 uint32_t sctp_sws_receiver; 278 279 uint32_t sctp_default_cc_module; 280 uint32_t sctp_default_ss_module; 281 /* authentication related fields */ 282 struct sctp_keyhead shared_keys; 283 sctp_auth_chklist_t *local_auth_chunks; 284 sctp_hmaclist_t *local_hmacs; 285 uint16_t default_keyid; 286 287 /* various thresholds */ 288 /* Max times I will init at a guy */ 289 uint16_t max_init_times; 290 291 /* Max times I will send before we consider someone dead */ 292 uint16_t max_send_times; 293 294 uint16_t def_net_failure; 295 296 uint16_t def_net_pf_threshold; 297 298 /* number of streams to pre-open on a association */ 299 uint16_t pre_open_stream_count; 300 uint16_t max_open_streams_intome; 301 302 /* random number generator */ 303 uint32_t random_counter; 304 uint8_t random_numbers[SCTP_SIGNATURE_ALOC_SIZE]; 305 uint8_t random_store[SCTP_SIGNATURE_ALOC_SIZE]; 306 307 /* 308 * This timer is kept running per endpoint. When it fires it will 309 * change the secret key. The default is once a hour 310 */ 311 struct sctp_timer signature_change; 312 313 /* Zero copy full buffer timer */ 314 struct sctp_timer zero_copy_timer; 315 /* Zero copy app to transport (sendq) read repulse timer */ 316 struct sctp_timer zero_copy_sendq_timer; 317 uint32_t def_cookie_life; 318 /* defaults to 0 */ 319 int auto_close_time; 320 uint32_t initial_sequence_debug; 321 uint32_t adaptation_layer_indicator; 322 uint32_t store_at; 323 uint32_t max_burst; 324 uint32_t fr_max_burst; 325#ifdef INET6 326 uint32_t default_flowlabel; 327#endif 328 uint8_t default_dscp; 329 char current_secret_number; 330 char last_secret_number; 331 uint16_t port; /* remote UDP encapsulation port */ 332}; 333 334#ifndef SCTP_ALIGNMENT 335#define SCTP_ALIGNMENT 32 336#endif 337 338#ifndef SCTP_ALIGNM1 339#define SCTP_ALIGNM1 (SCTP_ALIGNMENT-1) 340#endif 341 342#define sctp_lport ip_inp.inp.inp_lport 343 344struct sctp_pcbtsn_rlog { 345 uint32_t vtag; 346 uint16_t strm; 347 uint16_t seq; 348 uint16_t sz; 349 uint16_t flgs; 350}; 351 352#define SCTP_READ_LOG_SIZE 135 /* we choose the number to make a pcb a page */ 353 354 355struct sctp_inpcb { 356 /*- 357 * put an inpcb in front of it all, kind of a waste but we need to 358 * for compatability with all the other stuff. 359 */ 360 union { 361 struct inpcb inp; 362 char align[(sizeof(struct in6pcb) + SCTP_ALIGNM1) & 363 ~SCTP_ALIGNM1]; 364 } ip_inp; 365 366 367 /* Socket buffer lock protects read_queue and of course sb_cc */ 368 struct sctp_readhead read_queue; 369 370 LIST_ENTRY(sctp_inpcb) sctp_list; /* lists all endpoints */ 371 /* hash of all endpoints for model */ 372 LIST_ENTRY(sctp_inpcb) sctp_hash; 373 /* count of local addresses bound, 0 if bound all */ 374 int laddr_count; 375 376 /* list of addrs in use by the EP, NULL if bound-all */ 377 struct sctpladdr sctp_addr_list; 378 /* 379 * used for source address selection rotation when we are subset 380 * bound 381 */ 382 struct sctp_laddr *next_addr_touse; 383 384 /* back pointer to our socket */ 385 struct socket *sctp_socket; 386 uint32_t sctp_flags; /* INP state flag set */ 387 uint32_t sctp_features; /* Feature flags */ 388 uint32_t sctp_mobility_features; /* Mobility Feature flags */ 389 struct sctp_pcb sctp_ep;/* SCTP ep data */ 390 /* head of the hash of all associations */ 391 struct sctpasochead *sctp_tcbhash; 392 u_long sctp_hashmark; 393 /* head of the list of all associations */ 394 struct sctpasochead sctp_asoc_list; 395#ifdef SCTP_TRACK_FREED_ASOCS 396 struct sctpasochead sctp_asoc_free_list; 397#endif 398 struct sctp_iterator *inp_starting_point_for_iterator; 399 uint32_t sctp_frag_point; 400 uint32_t partial_delivery_point; 401 uint32_t sctp_context; 402 uint32_t sctp_cmt_on_off; 403 uint32_t sctp_ecn_enable; 404 struct sctp_nonpad_sndrcvinfo def_send; 405 /*- 406 * These three are here for the sosend_dgram 407 * (pkt, pkt_last and control). 408 * routine. However, I don't think anyone in 409 * the current FreeBSD kernel calls this. So 410 * they are candidates with sctp_sendm for 411 * de-supporting. 412 */ 413 struct mbuf *pkt, *pkt_last; 414 struct mbuf *control; 415 struct mtx inp_mtx; 416 struct mtx inp_create_mtx; 417 struct mtx inp_rdata_mtx; 418 int32_t refcount; 419 uint32_t def_vrf_id; 420 uint32_t total_sends; 421 uint32_t total_recvs; 422 uint32_t last_abort_code; 423 uint32_t total_nospaces; 424 struct sctpasochead *sctp_asocidhash; 425 u_long hashasocidmark; 426 uint32_t sctp_associd_counter; 427 428#ifdef SCTP_ASOCLOG_OF_TSNS 429 struct sctp_pcbtsn_rlog readlog[SCTP_READ_LOG_SIZE]; 430 uint32_t readlog_index; 431#endif 432}; 433 434struct sctp_tcb { 435 struct socket *sctp_socket; /* back pointer to socket */ 436 struct sctp_inpcb *sctp_ep; /* back pointer to ep */ 437 LIST_ENTRY(sctp_tcb) sctp_tcbhash; /* next link in hash 438 * table */ 439 LIST_ENTRY(sctp_tcb) sctp_tcblist; /* list of all of the 440 * TCB's */ 441 LIST_ENTRY(sctp_tcb) sctp_tcbasocidhash; /* next link in asocid 442 * hash table */ 443 LIST_ENTRY(sctp_tcb) sctp_asocs; /* vtag hash list */ 444 struct sctp_block_entry *block_entry; /* pointer locked by socket 445 * send buffer */ 446 struct sctp_association asoc; 447 /*- 448 * freed_by_sorcv_sincelast is protected by the sockbuf_lock NOT the 449 * tcb_lock. Its special in this way to help avoid extra mutex calls 450 * in the reading of data. 451 */ 452 uint32_t freed_by_sorcv_sincelast; 453 uint32_t total_sends; 454 uint32_t total_recvs; 455 int freed_from_where; 456 uint16_t rport; /* remote port in network format */ 457 uint16_t resv; 458 struct mtx tcb_mtx; 459 struct mtx tcb_send_mtx; 460}; 461 462 463 464#include <netinet/sctp_lock_bsd.h> 465 466 467/* TODO where to put non-_KERNEL things for __Userspace__? */ 468#if defined(_KERNEL) || defined(__Userspace__) 469 470/* Attention Julian, this is the extern that 471 * goes with the base info. sctp_pcb.c has 472 * the real definition. 473 */ 474VNET_DECLARE(struct sctp_base_info, system_base_info); 475 476#ifdef INET6 477int SCTP6_ARE_ADDR_EQUAL(struct sockaddr_in6 *a, struct sockaddr_in6 *b); 478 479#endif 480 481void sctp_fill_pcbinfo(struct sctp_pcbinfo *); 482 483struct sctp_ifn * 484 sctp_find_ifn(void *ifn, uint32_t ifn_index); 485 486struct sctp_vrf *sctp_allocate_vrf(int vrfid); 487struct sctp_vrf *sctp_find_vrf(uint32_t vrfid); 488void sctp_free_vrf(struct sctp_vrf *vrf); 489 490/*- 491 * Change address state, can be used if 492 * O/S supports telling transports about 493 * changes to IFA/IFN's (link layer triggers). 494 * If a ifn goes down, we will do src-addr-selection 495 * and NOT use that, as a source address. This does 496 * not stop the routing system from routing out 497 * that interface, but we won't put it as a source. 498 */ 499void sctp_mark_ifa_addr_down(uint32_t vrf_id, struct sockaddr *addr, const char *if_name, uint32_t ifn_index); 500void sctp_mark_ifa_addr_up(uint32_t vrf_id, struct sockaddr *addr, const char *if_name, uint32_t ifn_index); 501 502struct sctp_ifa * 503sctp_add_addr_to_vrf(uint32_t vrfid, 504 void *ifn, uint32_t ifn_index, uint32_t ifn_type, 505 const char *if_name, 506 void *ifa, struct sockaddr *addr, uint32_t ifa_flags, 507 int dynamic_add); 508 509void sctp_update_ifn_mtu(uint32_t ifn_index, uint32_t mtu); 510 511void sctp_free_ifn(struct sctp_ifn *sctp_ifnp); 512void sctp_free_ifa(struct sctp_ifa *sctp_ifap); 513 514 515void 516sctp_del_addr_from_vrf(uint32_t vrfid, struct sockaddr *addr, 517 uint32_t ifn_index, const char *if_name); 518 519 520 521struct sctp_nets *sctp_findnet(struct sctp_tcb *, struct sockaddr *); 522 523struct sctp_inpcb *sctp_pcb_findep(struct sockaddr *, int, int, uint32_t); 524 525int 526sctp_inpcb_bind(struct socket *, struct sockaddr *, 527 struct sctp_ifa *, struct thread *); 528 529struct sctp_tcb * 530sctp_findassociation_addr(struct mbuf *, int, 531 struct sctphdr *, struct sctp_chunkhdr *, struct sctp_inpcb **, 532 struct sctp_nets **, uint32_t vrf_id); 533 534struct sctp_tcb * 535sctp_findassociation_addr_sa(struct sockaddr *, 536 struct sockaddr *, struct sctp_inpcb **, struct sctp_nets **, int, uint32_t); 537 538void 539sctp_move_pcb_and_assoc(struct sctp_inpcb *, struct sctp_inpcb *, 540 struct sctp_tcb *); 541 542/*- 543 * For this call ep_addr, the to is the destination endpoint address of the 544 * peer (relative to outbound). The from field is only used if the TCP model 545 * is enabled and helps distingush amongst the subset bound (non-boundall). 546 * The TCP model MAY change the actual ep field, this is why it is passed. 547 */ 548struct sctp_tcb * 549sctp_findassociation_ep_addr(struct sctp_inpcb **, 550 struct sockaddr *, struct sctp_nets **, struct sockaddr *, 551 struct sctp_tcb *); 552 553struct sctp_tcb * 554 sctp_findasoc_ep_asocid_locked(struct sctp_inpcb *inp, sctp_assoc_t asoc_id, int want_lock); 555 556struct sctp_tcb * 557sctp_findassociation_ep_asocid(struct sctp_inpcb *, 558 sctp_assoc_t, int); 559 560struct sctp_tcb * 561sctp_findassociation_ep_asconf(struct mbuf *, int, 562 struct sctphdr *, struct sctp_inpcb **, struct sctp_nets **, uint32_t vrf_id); 563 564int sctp_inpcb_alloc(struct socket *so, uint32_t vrf_id); 565 566int sctp_is_address_on_local_host(struct sockaddr *addr, uint32_t vrf_id); 567 568void sctp_inpcb_free(struct sctp_inpcb *, int, int); 569 570struct sctp_tcb * 571sctp_aloc_assoc(struct sctp_inpcb *, struct sockaddr *, 572 int *, uint32_t, uint32_t, struct thread *); 573 574int sctp_free_assoc(struct sctp_inpcb *, struct sctp_tcb *, int, int); 575 576 577void sctp_delete_from_timewait(uint32_t, uint16_t, uint16_t); 578 579int sctp_is_in_timewait(uint32_t tag, uint16_t lport, uint16_t rport); 580 581void 582 sctp_add_vtag_to_timewait(uint32_t tag, uint32_t time, uint16_t lport, uint16_t rport); 583 584void sctp_add_local_addr_ep(struct sctp_inpcb *, struct sctp_ifa *, uint32_t); 585 586int sctp_insert_laddr(struct sctpladdr *, struct sctp_ifa *, uint32_t); 587 588void sctp_remove_laddr(struct sctp_laddr *); 589 590void sctp_del_local_addr_ep(struct sctp_inpcb *, struct sctp_ifa *); 591 592int sctp_add_remote_addr(struct sctp_tcb *, struct sockaddr *, struct sctp_nets **, int, int); 593 594void sctp_remove_net(struct sctp_tcb *, struct sctp_nets *); 595 596int sctp_del_remote_addr(struct sctp_tcb *, struct sockaddr *); 597 598void sctp_pcb_init(void); 599 600void sctp_pcb_finish(void); 601 602void sctp_add_local_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 603void sctp_del_local_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 604 605int 606sctp_load_addresses_from_init(struct sctp_tcb *, struct mbuf *, int, 607 int, struct sctphdr *, struct sockaddr *); 608 609int 610sctp_set_primary_addr(struct sctp_tcb *, struct sockaddr *, 611 struct sctp_nets *); 612 613int sctp_is_vtag_good(uint32_t, uint16_t lport, uint16_t rport, struct timeval *); 614 615/* void sctp_drain(void); */ 616 617int sctp_destination_is_reachable(struct sctp_tcb *, struct sockaddr *); 618 619int sctp_swap_inpcb_for_listen(struct sctp_inpcb *inp); 620 621/*- 622 * Null in last arg inpcb indicate run on ALL ep's. Specific inp in last arg 623 * indicates run on ONLY assoc's of the specified endpoint. 624 */ 625int 626sctp_initiate_iterator(inp_func inpf, 627 asoc_func af, 628 inp_func inpe, 629 uint32_t, uint32_t, 630 uint32_t, void *, 631 uint32_t, 632 end_func ef, 633 struct sctp_inpcb *, 634 uint8_t co_off); 635 636#if defined(__FreeBSD__) && defined(SCTP_MCORE_INPUT) && defined(SMP) 637void 638 sctp_queue_to_mcore(struct mbuf *m, int off, int cpu_to_use); 639 640#endif 641 642#ifdef INVARIANTS 643void 644 sctp_validate_no_locks(struct sctp_inpcb *inp); 645 646#endif 647 648#endif /* _KERNEL */ 649#endif /* !__sctp_pcb_h__ */ 650