1 /*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 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 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #ifndef _NETINET_SCTP_PCB_H_ 37 #define _NETINET_SCTP_PCB_H_ 38 39 #include <netinet/sctp_os.h> 40 #include <netinet/sctp.h> 41 #include <netinet/sctp_constants.h> 42 #include <netinet/sctp_sysctl.h> 43 44 LIST_HEAD(sctppcbhead, sctp_inpcb); 45 LIST_HEAD(sctpasochead, sctp_tcb); 46 LIST_HEAD(sctpladdr, sctp_laddr); 47 LIST_HEAD(sctpvtaghead, sctp_tagblock); 48 LIST_HEAD(sctp_vrflist, sctp_vrf); 49 LIST_HEAD(sctp_ifnlist, sctp_ifn); 50 LIST_HEAD(sctp_ifalist, sctp_ifa); 51 TAILQ_HEAD(sctp_readhead, sctp_queued_to_read); 52 TAILQ_HEAD(sctp_streamhead, sctp_stream_queue_pending); 53 54 #include <netinet/sctp_structs.h> 55 #include <netinet/sctp_auth.h> 56 57 #define SCTP_PCBHASH_ALLADDR(port, mask) (port & mask) 58 #define SCTP_PCBHASH_ASOC(tag, mask) (tag & mask) 59 60 struct sctp_vrf { 61 LIST_ENTRY(sctp_vrf) next_vrf; 62 struct sctp_ifalist *vrf_addr_hash; 63 struct sctp_ifnlist ifnlist; 64 uint32_t vrf_id; 65 uint32_t tbl_id_v4; /* default v4 table id */ 66 uint32_t tbl_id_v6; /* default v6 table id */ 67 uint32_t total_ifa_count; 68 u_long vrf_addr_hashmark; 69 uint32_t refcount; 70 }; 71 72 struct sctp_ifn { 73 struct sctp_ifalist ifalist; 74 struct sctp_vrf *vrf; 75 LIST_ENTRY(sctp_ifn) next_ifn; 76 LIST_ENTRY(sctp_ifn) next_bucket; 77 void *ifn_p; /* never access without appropriate lock */ 78 uint32_t ifn_mtu; 79 uint32_t ifn_type; 80 uint32_t ifn_index; /* shorthand way to look at ifn for reference */ 81 uint32_t refcount; /* number of reference held should be >= 82 * ifa_count */ 83 uint32_t ifa_count; /* IFA's we hold (in our list - ifalist) */ 84 uint32_t num_v6; /* number of v6 addresses */ 85 uint32_t num_v4; /* number of v4 addresses */ 86 uint32_t registered_af; /* registered address family for i/f events */ 87 char ifn_name[SCTP_IFNAMSIZ]; 88 }; 89 90 /* SCTP local IFA flags */ 91 #define SCTP_ADDR_VALID 0x00000001 /* its up and active */ 92 #define SCTP_BEING_DELETED 0x00000002 /* being deleted, when 93 * refcount = 0. Note that it 94 * is pulled from the ifn list 95 * and ifa_p is nulled right 96 * away but it cannot be freed 97 * until the last *net 98 * pointing to it is deleted. */ 99 #define SCTP_ADDR_DEFER_USE 0x00000004 /* Hold off using this one */ 100 #define SCTP_ADDR_IFA_UNUSEABLE 0x00000008 101 102 struct sctp_ifa { 103 LIST_ENTRY(sctp_ifa) next_ifa; 104 LIST_ENTRY(sctp_ifa) next_bucket; 105 struct sctp_ifn *ifn_p; /* back pointer to parent ifn */ 106 void *ifa; /* pointer to ifa, needed for flag update for 107 * that we MUST lock appropriate locks. This 108 * is for V6. */ 109 union sctp_sockstore address; 110 uint32_t refcount; /* number of folks refering to this */ 111 uint32_t flags; 112 uint32_t localifa_flags; 113 uint32_t vrf_id; /* vrf_id of this addr (for deleting) */ 114 uint8_t src_is_loop; 115 uint8_t src_is_priv; 116 uint8_t src_is_glob; 117 uint8_t resv; 118 }; 119 120 struct sctp_laddr { 121 LIST_ENTRY(sctp_laddr) sctp_nxt_addr; /* next in list */ 122 struct sctp_ifa *ifa; 123 uint32_t action; /* Used during asconf and adding if no-zero 124 * src-addr selection will not consider this 125 * address. */ 126 struct timeval start_time; /* time when this address was created */ 127 }; 128 129 struct sctp_block_entry { 130 int error; 131 }; 132 133 struct sctp_timewait { 134 uint32_t tv_sec_at_expire; /* the seconds from boot to expire */ 135 uint32_t v_tag; /* the vtag that can not be reused */ 136 uint16_t lport; /* the local port used in vtag */ 137 uint16_t rport; /* the remote port used in vtag */ 138 }; 139 140 struct sctp_tagblock { 141 LIST_ENTRY(sctp_tagblock) sctp_nxt_tagblock; 142 struct sctp_timewait vtag_block[SCTP_NUMBER_IN_VTAG_BLOCK]; 143 }; 144 145 146 struct sctp_epinfo { 147 struct socket *udp_tun_socket; 148 struct sctpasochead *sctp_asochash; 149 u_long hashasocmark; 150 151 struct sctppcbhead *sctp_ephash; 152 u_long hashmark; 153 154 /*- 155 * The TCP model represents a substantial overhead in that we get an 156 * additional hash table to keep explicit connections in. The 157 * listening TCP endpoint will exist in the usual ephash above and 158 * accept only INIT's. It will be incapable of sending off an INIT. 159 * When a dg arrives we must look in the normal ephash. If we find a 160 * TCP endpoint that will tell us to go to the specific endpoint 161 * hash and re-hash to find the right assoc/socket. If we find a UDP 162 * model socket we then must complete the lookup. If this fails, 163 * i.e. no association can be found then we must continue to see if 164 * a sctp_peeloff()'d socket is in the tcpephash (a spun off socket 165 * acts like a TCP model connected socket). 166 */ 167 struct sctppcbhead *sctp_tcpephash; 168 u_long hashtcpmark; 169 uint32_t hashtblsize; 170 171 struct sctp_vrflist *sctp_vrfhash; 172 u_long hashvrfmark; 173 174 struct sctp_ifnlist *vrf_ifn_hash; 175 u_long vrf_ifn_hashmark; 176 177 struct sctppcbhead listhead; 178 struct sctpladdr addr_wq; 179 180 /* ep zone info */ 181 sctp_zone_t ipi_zone_ep; 182 sctp_zone_t ipi_zone_asoc; 183 sctp_zone_t ipi_zone_laddr; 184 sctp_zone_t ipi_zone_net; 185 sctp_zone_t ipi_zone_chunk; 186 sctp_zone_t ipi_zone_readq; 187 sctp_zone_t ipi_zone_strmoq; 188 sctp_zone_t ipi_zone_asconf; 189 sctp_zone_t ipi_zone_asconf_ack; 190 191 struct rwlock ipi_ep_mtx; 192 struct mtx ipi_iterator_wq_mtx; 193 struct rwlock ipi_addr_mtx; 194 struct mtx ipi_pktlog_mtx; 195 struct mtx wq_addr_mtx; 196 uint32_t ipi_count_ep; 197 198 /* assoc/tcb zone info */ 199 uint32_t ipi_count_asoc; 200 201 /* local addrlist zone info */ 202 uint32_t ipi_count_laddr; 203 204 /* remote addrlist zone info */ 205 uint32_t ipi_count_raddr; 206 207 /* chunk structure list for output */ 208 uint32_t ipi_count_chunk; 209 210 /* socket queue zone info */ 211 uint32_t ipi_count_readq; 212 213 /* socket queue zone info */ 214 uint32_t ipi_count_strmoq; 215 216 /* Number of vrfs */ 217 uint32_t ipi_count_vrfs; 218 219 /* Number of ifns */ 220 uint32_t ipi_count_ifns; 221 222 /* Number of ifas */ 223 uint32_t ipi_count_ifas; 224 225 /* system wide number of free chunks hanging around */ 226 uint32_t ipi_free_chunks; 227 uint32_t ipi_free_strmoq; 228 229 struct sctpvtaghead vtag_timewait[SCTP_STACK_VTAG_HASH_SIZE]; 230 231 /* address work queue handling */ 232 struct sctp_timer addr_wq_timer; 233 234 }; 235 236 237 struct sctp_base_info { 238 /* 239 * All static structures that anchor the system must be here. 240 */ 241 struct sctp_epinfo sctppcbinfo; 242 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 243 struct sctpstat *sctpstat; 244 #else 245 struct sctpstat sctpstat; 246 #endif 247 struct sctp_sysctl sctpsysctl; 248 uint8_t first_time; 249 char sctp_pcb_initialized; 250 #if defined(SCTP_PACKET_LOGGING) 251 int packet_log_writers; 252 int packet_log_end; 253 uint8_t packet_log_buffer[SCTP_PACKET_LOG_SIZE]; 254 #endif 255 }; 256 257 /*- 258 * Here we have all the relevant information for each SCTP entity created. We 259 * will need to modify this as approprate. We also need to figure out how to 260 * access /dev/random. 261 */ 262 struct sctp_pcb { 263 unsigned int time_of_secret_change; /* number of seconds from 264 * timeval.tv_sec */ 265 uint32_t secret_key[SCTP_HOW_MANY_SECRETS][SCTP_NUMBER_OF_SECRETS]; 266 unsigned int size_of_a_cookie; 267 268 unsigned int sctp_timeoutticks[SCTP_NUM_TMRS]; 269 unsigned int sctp_minrto; 270 unsigned int sctp_maxrto; 271 unsigned int initial_rto; 272 int initial_init_rto_max; 273 274 unsigned int sctp_sack_freq; 275 uint32_t sctp_sws_sender; 276 uint32_t sctp_sws_receiver; 277 278 uint32_t sctp_default_cc_module; 279 uint32_t sctp_default_ss_module; 280 /* authentication related fields */ 281 struct sctp_keyhead shared_keys; 282 sctp_auth_chklist_t *local_auth_chunks; 283 sctp_hmaclist_t *local_hmacs; 284 uint16_t default_keyid; 285 286 /* various thresholds */ 287 /* Max times I will init at a guy */ 288 uint16_t max_init_times; 289 290 /* Max times I will send before we consider someone dead */ 291 uint16_t max_send_times; 292 293 uint16_t def_net_failure; 294 295 uint16_t def_net_pf_threshold; 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 #ifdef INET6 325 uint32_t default_flowlabel; 326 #endif 327 uint8_t default_dscp; 328 char current_secret_number; 329 char last_secret_number; 330 uint16_t port; /* remote UDP encapsulation port */ 331 }; 332 333 #ifndef SCTP_ALIGNMENT 334 #define SCTP_ALIGNMENT 32 335 #endif 336 337 #ifndef SCTP_ALIGNM1 338 #define SCTP_ALIGNM1 (SCTP_ALIGNMENT-1) 339 #endif 340 341 #define sctp_lport ip_inp.inp.inp_lport 342 343 struct sctp_pcbtsn_rlog { 344 uint32_t vtag; 345 uint16_t strm; 346 uint16_t seq; 347 uint16_t sz; 348 uint16_t flgs; 349 }; 350 351 #define SCTP_READ_LOG_SIZE 135 /* we choose the number to make a pcb a page */ 352 353 354 struct sctp_inpcb { 355 /*- 356 * put an inpcb in front of it all, kind of a waste but we need to 357 * for compatability with all the other stuff. 358 */ 359 union { 360 struct inpcb inp; 361 char align[(sizeof(struct in6pcb) + SCTP_ALIGNM1) & 362 ~SCTP_ALIGNM1]; 363 } ip_inp; 364 365 366 /* Socket buffer lock protects read_queue and of course sb_cc */ 367 struct sctp_readhead read_queue; 368 369 LIST_ENTRY(sctp_inpcb) sctp_list; /* lists all endpoints */ 370 /* hash of all endpoints for model */ 371 LIST_ENTRY(sctp_inpcb) sctp_hash; 372 /* count of local addresses bound, 0 if bound all */ 373 int laddr_count; 374 375 /* list of addrs in use by the EP, NULL if bound-all */ 376 struct sctpladdr sctp_addr_list; 377 /* 378 * used for source address selection rotation when we are subset 379 * bound 380 */ 381 struct sctp_laddr *next_addr_touse; 382 383 /* back pointer to our socket */ 384 struct socket *sctp_socket; 385 uint32_t sctp_flags; /* INP state flag set */ 386 uint32_t sctp_features; /* Feature flags */ 387 uint32_t sctp_mobility_features; /* Mobility Feature flags */ 388 struct sctp_pcb sctp_ep;/* SCTP ep data */ 389 /* head of the hash of all associations */ 390 struct sctpasochead *sctp_tcbhash; 391 u_long sctp_hashmark; 392 /* head of the list of all associations */ 393 struct sctpasochead sctp_asoc_list; 394 #ifdef SCTP_TRACK_FREED_ASOCS 395 struct sctpasochead sctp_asoc_free_list; 396 #endif 397 struct sctp_iterator *inp_starting_point_for_iterator; 398 uint32_t sctp_frag_point; 399 uint32_t partial_delivery_point; 400 uint32_t sctp_context; 401 uint8_t local_strreset_support; 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 }; 433 434 struct 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 */ 474 VNET_DECLARE(struct sctp_base_info, system_base_info); 475 476 #ifdef INET6 477 int SCTP6_ARE_ADDR_EQUAL(struct sockaddr_in6 *a, struct sockaddr_in6 *b); 478 479 #endif 480 481 void sctp_fill_pcbinfo(struct sctp_pcbinfo *); 482 483 struct sctp_ifn * 484 sctp_find_ifn(void *ifn, uint32_t ifn_index); 485 486 struct sctp_vrf *sctp_allocate_vrf(int vrfid); 487 struct sctp_vrf *sctp_find_vrf(uint32_t vrfid); 488 void 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 */ 499 void sctp_mark_ifa_addr_down(uint32_t vrf_id, struct sockaddr *addr, const char *if_name, uint32_t ifn_index); 500 void sctp_mark_ifa_addr_up(uint32_t vrf_id, struct sockaddr *addr, const char *if_name, uint32_t ifn_index); 501 502 struct sctp_ifa * 503 sctp_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); 508 509 void sctp_update_ifn_mtu(uint32_t ifn_index, uint32_t mtu); 510 511 void sctp_free_ifn(struct sctp_ifn *sctp_ifnp); 512 void sctp_free_ifa(struct sctp_ifa *sctp_ifap); 513 514 515 void 516 sctp_del_addr_from_vrf(uint32_t vrfid, struct sockaddr *addr, 517 uint32_t ifn_index, const char *if_name); 518 519 520 521 struct sctp_nets *sctp_findnet(struct sctp_tcb *, struct sockaddr *); 522 523 struct sctp_inpcb *sctp_pcb_findep(struct sockaddr *, int, int, uint32_t); 524 525 int 526 sctp_inpcb_bind(struct socket *, struct sockaddr *, 527 struct sctp_ifa *, struct thread *); 528 529 struct sctp_tcb * 530 sctp_findassociation_addr(struct mbuf *, int, 531 struct sockaddr *, struct sockaddr *, 532 struct sctphdr *, struct sctp_chunkhdr *, struct sctp_inpcb **, 533 struct sctp_nets **, uint32_t vrf_id); 534 535 struct sctp_tcb * 536 sctp_findassociation_addr_sa(struct sockaddr *, 537 struct sockaddr *, struct sctp_inpcb **, struct sctp_nets **, int, uint32_t); 538 539 void 540 sctp_move_pcb_and_assoc(struct sctp_inpcb *, struct sctp_inpcb *, 541 struct sctp_tcb *); 542 543 /*- 544 * For this call ep_addr, the to is the destination endpoint address of the 545 * peer (relative to outbound). The from field is only used if the TCP model 546 * is enabled and helps distingush amongst the subset bound (non-boundall). 547 * The TCP model MAY change the actual ep field, this is why it is passed. 548 */ 549 struct sctp_tcb * 550 sctp_findassociation_ep_addr(struct sctp_inpcb **, 551 struct sockaddr *, struct sctp_nets **, struct sockaddr *, 552 struct sctp_tcb *); 553 554 struct sctp_tcb * 555 sctp_findasoc_ep_asocid_locked(struct sctp_inpcb *inp, sctp_assoc_t asoc_id, int want_lock); 556 557 struct sctp_tcb * 558 sctp_findassociation_ep_asocid(struct sctp_inpcb *, 559 sctp_assoc_t, int); 560 561 struct sctp_tcb * 562 sctp_findassociation_ep_asconf(struct mbuf *, int, struct sockaddr *, 563 struct sctphdr *, struct sctp_inpcb **, struct sctp_nets **, uint32_t vrf_id); 564 565 int sctp_inpcb_alloc(struct socket *so, uint32_t vrf_id); 566 567 int sctp_is_address_on_local_host(struct sockaddr *addr, uint32_t vrf_id); 568 569 void sctp_inpcb_free(struct sctp_inpcb *, int, int); 570 571 struct sctp_tcb * 572 sctp_aloc_assoc(struct sctp_inpcb *, struct sockaddr *, 573 int *, uint32_t, uint32_t, struct thread *); 574 575 int sctp_free_assoc(struct sctp_inpcb *, struct sctp_tcb *, int, int); 576 577 578 void sctp_delete_from_timewait(uint32_t, uint16_t, uint16_t); 579 580 int sctp_is_in_timewait(uint32_t tag, uint16_t lport, uint16_t rport); 581 582 void 583 sctp_add_vtag_to_timewait(uint32_t tag, uint32_t time, uint16_t lport, uint16_t rport); 584 585 void sctp_add_local_addr_ep(struct sctp_inpcb *, struct sctp_ifa *, uint32_t); 586 587 int sctp_insert_laddr(struct sctpladdr *, struct sctp_ifa *, uint32_t); 588 589 void sctp_remove_laddr(struct sctp_laddr *); 590 591 void sctp_del_local_addr_ep(struct sctp_inpcb *, struct sctp_ifa *); 592 593 int sctp_add_remote_addr(struct sctp_tcb *, struct sockaddr *, struct sctp_nets **, int, int); 594 595 void sctp_remove_net(struct sctp_tcb *, struct sctp_nets *); 596 597 int sctp_del_remote_addr(struct sctp_tcb *, struct sockaddr *); 598 599 void sctp_pcb_init(void); 600 601 void sctp_pcb_finish(void); 602 603 void sctp_add_local_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 604 void sctp_del_local_addr_restricted(struct sctp_tcb *, struct sctp_ifa *); 605 606 int 607 sctp_load_addresses_from_init(struct sctp_tcb *, struct mbuf *, int, int, 608 struct sockaddr *, struct sockaddr *, struct sockaddr *); 609 610 int 611 sctp_set_primary_addr(struct sctp_tcb *, struct sockaddr *, 612 struct sctp_nets *); 613 614 int sctp_is_vtag_good(uint32_t, uint16_t lport, uint16_t rport, struct timeval *); 615 616 /* void sctp_drain(void); */ 617 618 int sctp_destination_is_reachable(struct sctp_tcb *, struct sockaddr *); 619 620 int sctp_swap_inpcb_for_listen(struct sctp_inpcb *inp); 621 622 /*- 623 * Null in last arg inpcb indicate run on ALL ep's. Specific inp in last arg 624 * indicates run on ONLY assoc's of the specified endpoint. 625 */ 626 int 627 sctp_initiate_iterator(inp_func inpf, 628 asoc_func af, 629 inp_func inpe, 630 uint32_t, uint32_t, 631 uint32_t, void *, 632 uint32_t, 633 end_func ef, 634 struct sctp_inpcb *, 635 uint8_t co_off); 636 637 #if defined(__FreeBSD__) && defined(SCTP_MCORE_INPUT) && defined(SMP) 638 void 639 sctp_queue_to_mcore(struct mbuf *m, int off, int cpu_to_use); 640 641 #endif 642 643 #ifdef INVARIANTS 644 void 645 sctp_validate_no_locks(struct sctp_inpcb *inp); 646 647 #endif 648 649 #endif /* _KERNEL */ 650 #endif /* !__sctp_pcb_h__ */ 651