1 /*- 2 * Copyright (c) 2001-2008, 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 #ifdef __FreeBSD__ 34 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD: head/sys/netinet/sctp_var.h 242327 2012-10-29 20:47:32Z tuexen $"); 36 #endif 37 38 #ifndef _NETINET_SCTP_VAR_H_ 39 #define _NETINET_SCTP_VAR_H_ 40 41 #include <netinet/sctp_uio.h> 42 43 #if defined(_KERNEL) || defined(__Userspace__) 44 45 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) 46 extern struct pr_usrreqs sctp_usrreqs; 47 #endif 48 49 50 #define sctp_feature_on(inp, feature) (inp->sctp_features |= feature) 51 #define sctp_feature_off(inp, feature) (inp->sctp_features &= ~feature) 52 #define sctp_is_feature_on(inp, feature) ((inp->sctp_features & feature) == feature) 53 #define sctp_is_feature_off(inp, feature) ((inp->sctp_features & feature) == 0) 54 55 #define sctp_stcb_feature_on(inp, stcb, feature) {\ 56 if (stcb) { \ 57 stcb->asoc.sctp_features |= feature; \ 58 } else if (inp) { \ 59 inp->sctp_features |= feature; \ 60 } \ 61 } 62 #define sctp_stcb_feature_off(inp, stcb, feature) {\ 63 if (stcb) { \ 64 stcb->asoc.sctp_features &= ~feature; \ 65 } else if (inp) { \ 66 inp->sctp_features &= ~feature; \ 67 } \ 68 } 69 #define sctp_stcb_is_feature_on(inp, stcb, feature) \ 70 (((stcb != NULL) && \ 71 ((stcb->asoc.sctp_features & feature) == feature)) || \ 72 ((stcb == NULL) && (inp != NULL) && \ 73 ((inp->sctp_features & feature) == feature))) 74 #define sctp_stcb_is_feature_off(inp, stcb, feature) \ 75 (((stcb != NULL) && \ 76 ((stcb->asoc.sctp_features & feature) == 0)) || \ 77 ((stcb == NULL) && (inp != NULL) && \ 78 ((inp->sctp_features & feature) == 0)) || \ 79 ((stcb == NULL) && (inp == NULL))) 80 81 /* managing mobility_feature in inpcb (by micchie) */ 82 #define sctp_mobility_feature_on(inp, feature) (inp->sctp_mobility_features |= feature) 83 #define sctp_mobility_feature_off(inp, feature) (inp->sctp_mobility_features &= ~feature) 84 #define sctp_is_mobility_feature_on(inp, feature) (inp->sctp_mobility_features & feature) 85 #define sctp_is_mobility_feature_off(inp, feature) ((inp->sctp_mobility_features & feature) == 0) 86 87 #define sctp_maxspace(sb) (max((sb)->sb_hiwat,SCTP_MINIMAL_RWND)) 88 89 #define sctp_sbspace(asoc, sb) ((long) ((sctp_maxspace(sb) > (asoc)->sb_cc) ? (sctp_maxspace(sb) - (asoc)->sb_cc) : 0)) 90 91 #define sctp_sbspace_failedmsgs(sb) ((long) ((sctp_maxspace(sb) > (sb)->sb_cc) ? (sctp_maxspace(sb) - (sb)->sb_cc) : 0)) 92 93 #define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0) 94 95 /* 96 * I tried to cache the readq entries at one point. But the reality 97 * is that it did not add any performance since this meant we had to 98 * lock the STCB on read. And at that point once you have to do an 99 * extra lock, it really does not matter if the lock is in the ZONE 100 * stuff or in our code. Note that this same problem would occur with 101 * an mbuf cache as well so it is not really worth doing, at least 102 * right now :-D 103 */ 104 105 #define sctp_free_a_readq(_stcb, _readq) { \ 106 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_readq), (_readq)); \ 107 SCTP_DECR_READQ_COUNT(); \ 108 } 109 110 #define sctp_alloc_a_readq(_stcb, _readq) { \ 111 (_readq) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_readq), struct sctp_queued_to_read); \ 112 if ((_readq)) { \ 113 SCTP_INCR_READQ_COUNT(); \ 114 } \ 115 } 116 117 #define sctp_free_a_strmoq(_stcb, _strmoq, _so_locked) { \ 118 if ((_strmoq)->holds_key_ref) { \ 119 sctp_auth_key_release(stcb, sp->auth_keyid, _so_locked); \ 120 (_strmoq)->holds_key_ref = 0; \ 121 } \ 122 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_strmoq), (_strmoq)); \ 123 SCTP_DECR_STRMOQ_COUNT(); \ 124 } 125 126 #define sctp_alloc_a_strmoq(_stcb, _strmoq) { \ 127 (_strmoq) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_strmoq), struct sctp_stream_queue_pending); \ 128 if ((_strmoq)) { \ 129 memset(_strmoq, 0, sizeof(struct sctp_stream_queue_pending)); \ 130 SCTP_INCR_STRMOQ_COUNT(); \ 131 (_strmoq)->holds_key_ref = 0; \ 132 } \ 133 } 134 135 #define sctp_free_a_chunk(_stcb, _chk, _so_locked) { \ 136 if ((_chk)->holds_key_ref) {\ 137 sctp_auth_key_release((_stcb), (_chk)->auth_keyid, _so_locked); \ 138 (_chk)->holds_key_ref = 0; \ 139 } \ 140 if (_stcb) { \ 141 SCTP_TCB_LOCK_ASSERT((_stcb)); \ 142 if ((_chk)->whoTo) { \ 143 sctp_free_remote_addr((_chk)->whoTo); \ 144 (_chk)->whoTo = NULL; \ 145 } \ 146 if (((_stcb)->asoc.free_chunk_cnt > SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit)) || \ 147 (SCTP_BASE_INFO(ipi_free_chunks) > SCTP_BASE_SYSCTL(sctp_system_free_resc_limit))) { \ 148 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), (_chk)); \ 149 SCTP_DECR_CHK_COUNT(); \ 150 } else { \ 151 TAILQ_INSERT_TAIL(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \ 152 (_stcb)->asoc.free_chunk_cnt++; \ 153 atomic_add_int(&SCTP_BASE_INFO(ipi_free_chunks), 1); \ 154 } \ 155 } else { \ 156 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), (_chk)); \ 157 SCTP_DECR_CHK_COUNT(); \ 158 } \ 159 } 160 161 #define sctp_alloc_a_chunk(_stcb, _chk) { \ 162 if (TAILQ_EMPTY(&(_stcb)->asoc.free_chunks)) { \ 163 (_chk) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_chunk), struct sctp_tmit_chunk); \ 164 if ((_chk)) { \ 165 SCTP_INCR_CHK_COUNT(); \ 166 (_chk)->whoTo = NULL; \ 167 (_chk)->holds_key_ref = 0; \ 168 } \ 169 } else { \ 170 (_chk) = TAILQ_FIRST(&(_stcb)->asoc.free_chunks); \ 171 TAILQ_REMOVE(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \ 172 atomic_subtract_int(&SCTP_BASE_INFO(ipi_free_chunks), 1); \ 173 (_chk)->holds_key_ref = 0; \ 174 SCTP_STAT_INCR(sctps_cached_chk); \ 175 (_stcb)->asoc.free_chunk_cnt--; \ 176 } \ 177 } 178 179 #if defined(__FreeBSD__) && __FreeBSD_version > 500000 180 181 #define sctp_free_remote_addr(__net) { \ 182 if ((__net)) { \ 183 if (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&(__net)->ref_count)) { \ 184 (void)SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \ 185 (void)SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \ 186 if ((__net)->ro.ro_rt) { \ 187 RTFREE((__net)->ro.ro_rt); \ 188 (__net)->ro.ro_rt = NULL; \ 189 } \ 190 if ((__net)->src_addr_selected) { \ 191 sctp_free_ifa((__net)->ro._s_addr); \ 192 (__net)->ro._s_addr = NULL; \ 193 } \ 194 (__net)->src_addr_selected = 0; \ 195 (__net)->dest_state &= ~SCTP_ADDR_REACHABLE; \ 196 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_net), (__net)); \ 197 SCTP_DECR_RADDR_COUNT(); \ 198 } \ 199 } \ 200 } 201 202 #define sctp_sbfree(ctl, stcb, sb, m) { \ 203 SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \ 204 SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_mbcnt, MSIZE); \ 205 if (((ctl)->do_not_ref_stcb == 0) && stcb) {\ 206 SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \ 207 SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \ 208 } \ 209 if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \ 210 SCTP_BUF_TYPE(m) != MT_OOBDATA) \ 211 atomic_subtract_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \ 212 } 213 214 #define sctp_sballoc(stcb, sb, m) { \ 215 atomic_add_int(&(sb)->sb_cc,SCTP_BUF_LEN((m))); \ 216 atomic_add_int(&(sb)->sb_mbcnt, MSIZE); \ 217 if (stcb) { \ 218 atomic_add_int(&(stcb)->asoc.sb_cc,SCTP_BUF_LEN((m))); \ 219 atomic_add_int(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \ 220 } \ 221 if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \ 222 SCTP_BUF_TYPE(m) != MT_OOBDATA) \ 223 atomic_add_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \ 224 } 225 226 #else /* FreeBSD Version <= 500000 or non-FreeBSD */ 227 228 #define sctp_free_remote_addr(__net) { \ 229 if ((__net)) { \ 230 if (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&(__net)->ref_count)) { \ 231 (void)SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \ 232 (void)SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \ 233 (void)SCTP_OS_TIMER_STOP(&(__net)->hb_timer.timer); \ 234 if ((__net)->ro.ro_rt) { \ 235 RTFREE((__net)->ro.ro_rt); \ 236 (__net)->ro.ro_rt = NULL; \ 237 } \ 238 if ((__net)->src_addr_selected) { \ 239 sctp_free_ifa((__net)->ro._s_addr); \ 240 (__net)->ro._s_addr = NULL; \ 241 } \ 242 (__net)->src_addr_selected = 0; \ 243 (__net)->dest_state &=~SCTP_ADDR_REACHABLE; \ 244 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_net), (__net)); \ 245 SCTP_DECR_RADDR_COUNT(); \ 246 } \ 247 } \ 248 } 249 250 #if defined(__Panda__) 251 #define sctp_sbfree(ctl, stcb, sb, m) { \ 252 if ((sb)->sb_cc >= (uint32_t)SCTP_BUF_LEN((m))) { \ 253 atomic_subtract_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \ 254 } else { \ 255 (sb)->sb_cc = 0; \ 256 } \ 257 if (((ctl)->do_not_ref_stcb == 0) && stcb) { \ 258 if ((stcb)->asoc.sb_cc >= (uint32_t)SCTP_BUF_LEN((m))) { \ 259 atomic_subtract_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \ 260 } else { \ 261 (stcb)->asoc.sb_cc = 0; \ 262 } \ 263 } \ 264 } 265 266 #define sctp_sballoc(stcb, sb, m) { \ 267 atomic_add_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \ 268 if (stcb) { \ 269 atomic_add_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \ 270 } \ 271 } 272 273 #else 274 275 #define sctp_sbfree(ctl, stcb, sb, m) { \ 276 SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \ 277 SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_mbcnt, MSIZE); \ 278 if (((ctl)->do_not_ref_stcb == 0) && stcb) { \ 279 SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \ 280 SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \ 281 } \ 282 } 283 284 #define sctp_sballoc(stcb, sb, m) { \ 285 atomic_add_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \ 286 atomic_add_int(&(sb)->sb_mbcnt, MSIZE); \ 287 if (stcb) { \ 288 atomic_add_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \ 289 atomic_add_int(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \ 290 } \ 291 } 292 #endif 293 #endif 294 295 #define sctp_ucount_incr(val) { \ 296 val++; \ 297 } 298 299 #define sctp_ucount_decr(val) { \ 300 if (val > 0) { \ 301 val--; \ 302 } else { \ 303 val = 0; \ 304 } \ 305 } 306 307 #define sctp_mbuf_crush(data) do { \ 308 struct mbuf *_m; \ 309 _m = (data); \ 310 while (_m && (SCTP_BUF_LEN(_m) == 0)) { \ 311 (data) = SCTP_BUF_NEXT(_m); \ 312 SCTP_BUF_NEXT(_m) = NULL; \ 313 sctp_m_free(_m); \ 314 _m = (data); \ 315 } \ 316 } while (0) 317 318 #define sctp_flight_size_decrease(tp1) do { \ 319 if (tp1->whoTo->flight_size >= tp1->book_size) \ 320 tp1->whoTo->flight_size -= tp1->book_size; \ 321 else \ 322 tp1->whoTo->flight_size = 0; \ 323 } while (0) 324 325 #define sctp_flight_size_increase(tp1) do { \ 326 (tp1)->whoTo->flight_size += (tp1)->book_size; \ 327 } while (0) 328 329 #ifdef SCTP_FS_SPEC_LOG 330 #define sctp_total_flight_decrease(stcb, tp1) do { \ 331 if (stcb->asoc.fs_index > SCTP_FS_SPEC_LOG_SIZE) \ 332 stcb->asoc.fs_index = 0;\ 333 stcb->asoc.fslog[stcb->asoc.fs_index].total_flight = stcb->asoc.total_flight; \ 334 stcb->asoc.fslog[stcb->asoc.fs_index].tsn = tp1->rec.data.TSN_seq; \ 335 stcb->asoc.fslog[stcb->asoc.fs_index].book = tp1->book_size; \ 336 stcb->asoc.fslog[stcb->asoc.fs_index].sent = tp1->sent; \ 337 stcb->asoc.fslog[stcb->asoc.fs_index].incr = 0; \ 338 stcb->asoc.fslog[stcb->asoc.fs_index].decr = 1; \ 339 stcb->asoc.fs_index++; \ 340 tp1->window_probe = 0; \ 341 if (stcb->asoc.total_flight >= tp1->book_size) { \ 342 stcb->asoc.total_flight -= tp1->book_size; \ 343 if (stcb->asoc.total_flight_count > 0) \ 344 stcb->asoc.total_flight_count--; \ 345 } else { \ 346 stcb->asoc.total_flight = 0; \ 347 stcb->asoc.total_flight_count = 0; \ 348 } \ 349 } while (0) 350 351 #define sctp_total_flight_increase(stcb, tp1) do { \ 352 if (stcb->asoc.fs_index > SCTP_FS_SPEC_LOG_SIZE) \ 353 stcb->asoc.fs_index = 0;\ 354 stcb->asoc.fslog[stcb->asoc.fs_index].total_flight = stcb->asoc.total_flight; \ 355 stcb->asoc.fslog[stcb->asoc.fs_index].tsn = tp1->rec.data.TSN_seq; \ 356 stcb->asoc.fslog[stcb->asoc.fs_index].book = tp1->book_size; \ 357 stcb->asoc.fslog[stcb->asoc.fs_index].sent = tp1->sent; \ 358 stcb->asoc.fslog[stcb->asoc.fs_index].incr = 1; \ 359 stcb->asoc.fslog[stcb->asoc.fs_index].decr = 0; \ 360 stcb->asoc.fs_index++; \ 361 (stcb)->asoc.total_flight_count++; \ 362 (stcb)->asoc.total_flight += (tp1)->book_size; \ 363 } while (0) 364 365 #else 366 367 #define sctp_total_flight_decrease(stcb, tp1) do { \ 368 tp1->window_probe = 0; \ 369 if (stcb->asoc.total_flight >= tp1->book_size) { \ 370 stcb->asoc.total_flight -= tp1->book_size; \ 371 if (stcb->asoc.total_flight_count > 0) \ 372 stcb->asoc.total_flight_count--; \ 373 } else { \ 374 stcb->asoc.total_flight = 0; \ 375 stcb->asoc.total_flight_count = 0; \ 376 } \ 377 } while (0) 378 379 #define sctp_total_flight_increase(stcb, tp1) do { \ 380 (stcb)->asoc.total_flight_count++; \ 381 (stcb)->asoc.total_flight += (tp1)->book_size; \ 382 } while (0) 383 384 #endif 385 386 #define SCTP_PF_ENABLED(_net) (_net->pf_threshold < _net->failure_threshold) 387 #define SCTP_NET_IS_PF(_net) (_net->pf_threshold < _net->error_count) 388 389 struct sctp_nets; 390 struct sctp_inpcb; 391 struct sctp_tcb; 392 struct sctphdr; 393 394 395 #if (defined(__FreeBSD__) && __FreeBSD_version > 690000) || defined(__Windows__) || defined(__Userspace__) 396 void sctp_close(struct socket *so); 397 #else 398 int sctp_detach(struct socket *so); 399 #endif 400 int sctp_disconnect(struct socket *so); 401 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) 402 #if defined(__FreeBSD__) && __FreeBSD_version < 902000 403 void sctp_ctlinput __P((int, struct sockaddr *, void *)); 404 int sctp_ctloutput __P((struct socket *, struct sockopt *)); 405 #ifdef INET 406 void sctp_input_with_port __P((struct mbuf *, int, uint16_t)); 407 void sctp_input __P((struct mbuf *, int)); 408 #endif 409 void sctp_pathmtu_adjustment __P((struct sctp_tcb *, uint16_t)); 410 #else 411 void sctp_ctlinput(int, struct sockaddr *, void *); 412 int sctp_ctloutput(struct socket *, struct sockopt *); 413 #ifdef INET 414 void sctp_input_with_port(struct mbuf *, int, uint16_t); 415 void sctp_input(struct mbuf *, int); 416 #endif 417 void sctp_pathmtu_adjustment(struct sctp_tcb *, uint16_t); 418 #endif 419 #else 420 #if defined(__Panda__) 421 void sctp_input(pakhandle_type i_pak); 422 #elif defined(__Userspace__) 423 void sctp_pathmtu_adjustment(struct sctp_tcb *, uint16_t); 424 #else 425 void sctp_input(struct mbuf *,...); 426 #endif 427 void *sctp_ctlinput(int, struct sockaddr *, void *); 428 int sctp_ctloutput(int, struct socket *, int, int, struct mbuf **); 429 #endif 430 #if defined(__FreeBSD__) && __FreeBSD_version < 902000 431 void sctp_drain __P((void)); 432 #else 433 void sctp_drain(void); 434 #endif 435 #if defined(__Userspace__) 436 void sctp_init(uint16_t, 437 int (*)(void *addr, void *buffer, size_t length, uint8_t tos, uint8_t set_df), 438 void (*)(const char *, ...)); 439 #elif defined(__FreeBSD__) && __FreeBSD_version < 902000 440 void sctp_init __P((void)); 441 #elif defined(__APPLE__) && (!defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) &&!defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION)) 442 void sctp_init(struct protosw *pp, struct domain *dp); 443 #else 444 void sctp_init(void); 445 #endif 446 void sctp_finish(void); 447 #if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__) 448 int sctp_flush(struct socket *, int); 449 #endif 450 #if defined(__FreeBSD__) && __FreeBSD_version < 902000 451 int sctp_shutdown __P((struct socket *)); 452 void sctp_notify __P((struct sctp_inpcb *, struct ip *ip, struct sctphdr *, 453 struct sockaddr *, struct sctp_tcb *, 454 struct sctp_nets *)); 455 #else 456 int sctp_shutdown(struct socket *); 457 void sctp_notify(struct sctp_inpcb *, struct ip *ip, struct sctphdr *, 458 struct sockaddr *, struct sctp_tcb *, 459 struct sctp_nets *); 460 #endif 461 int sctp_bindx(struct socket *, int, struct sockaddr_storage *, 462 int, int, struct proc *); 463 /* can't use sctp_assoc_t here */ 464 int sctp_peeloff(struct socket *, struct socket *, int, caddr_t, int *); 465 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) 466 int sctp_ingetaddr(struct socket *, struct sockaddr **); 467 #elif defined(__Panda__) 468 int sctp_ingetaddr(struct socket *, struct sockaddr *); 469 #else 470 int sctp_ingetaddr(struct socket *, struct mbuf *); 471 #endif 472 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) 473 int sctp_peeraddr(struct socket *, struct sockaddr **); 474 #elif defined(__Panda__) 475 int sctp_peeraddr(struct socket *, struct sockaddr *); 476 #else 477 int sctp_peeraddr(struct socket *, struct mbuf *); 478 #endif 479 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 480 #if __FreeBSD_version >= 700000 481 int sctp_listen(struct socket *, int, struct thread *); 482 #else 483 int sctp_listen(struct socket *, struct thread *); 484 #endif 485 #elif defined(__Windows__) 486 int sctp_listen(struct socket *, int, PKTHREAD); 487 #elif defined(__Userspace__) 488 int sctp_listen(struct socket *, int, struct proc *); 489 #else 490 int sctp_listen(struct socket *, struct proc *); 491 #endif 492 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__) 493 int sctp_accept(struct socket *, struct sockaddr **); 494 #elif defined(__Panda__) 495 int sctp_accept(struct socket *, struct sockaddr *, int *, void *, int *); 496 #else 497 int sctp_accept(struct socket *, struct mbuf *); 498 #endif 499 500 #endif /* _KERNEL */ 501 502 #endif /* !_NETINET_SCTP_VAR_H_ */ 503