netwerk/sctp/src/netinet/sctp_var.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rwxr-xr-x

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /*-
michael@0 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
michael@0 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
michael@0 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
michael@0 5 *
michael@0 6 * Redistribution and use in source and binary forms, with or without
michael@0 7 * modification, are permitted provided that the following conditions are met:
michael@0 8 *
michael@0 9 * a) Redistributions of source code must retain the above copyright notice,
michael@0 10 * this list of conditions and the following disclaimer.
michael@0 11 *
michael@0 12 * b) Redistributions in binary form must reproduce the above copyright
michael@0 13 * notice, this list of conditions and the following disclaimer in
michael@0 14 * the documentation and/or other materials provided with the distribution.
michael@0 15 *
michael@0 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its
michael@0 17 * contributors may be used to endorse or promote products derived
michael@0 18 * from this software without specific prior written permission.
michael@0 19 *
michael@0 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
michael@0 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
michael@0 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
michael@0 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
michael@0 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
michael@0 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
michael@0 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
michael@0 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
michael@0 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
michael@0 30 * THE POSSIBILITY OF SUCH DAMAGE.
michael@0 31 */
michael@0 32
michael@0 33 #ifdef __FreeBSD__
michael@0 34 #include <sys/cdefs.h>
michael@0 35 __FBSDID("$FreeBSD: head/sys/netinet/sctp_var.h 242327 2012-10-29 20:47:32Z tuexen $");
michael@0 36 #endif
michael@0 37
michael@0 38 #ifndef _NETINET_SCTP_VAR_H_
michael@0 39 #define _NETINET_SCTP_VAR_H_
michael@0 40
michael@0 41 #include <netinet/sctp_uio.h>
michael@0 42
michael@0 43 #if defined(_KERNEL) || defined(__Userspace__)
michael@0 44
michael@0 45 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
michael@0 46 extern struct pr_usrreqs sctp_usrreqs;
michael@0 47 #endif
michael@0 48
michael@0 49
michael@0 50 #define sctp_feature_on(inp, feature) (inp->sctp_features |= feature)
michael@0 51 #define sctp_feature_off(inp, feature) (inp->sctp_features &= ~feature)
michael@0 52 #define sctp_is_feature_on(inp, feature) ((inp->sctp_features & feature) == feature)
michael@0 53 #define sctp_is_feature_off(inp, feature) ((inp->sctp_features & feature) == 0)
michael@0 54
michael@0 55 #define sctp_stcb_feature_on(inp, stcb, feature) {\
michael@0 56 if (stcb) { \
michael@0 57 stcb->asoc.sctp_features |= feature; \
michael@0 58 } else if (inp) { \
michael@0 59 inp->sctp_features |= feature; \
michael@0 60 } \
michael@0 61 }
michael@0 62 #define sctp_stcb_feature_off(inp, stcb, feature) {\
michael@0 63 if (stcb) { \
michael@0 64 stcb->asoc.sctp_features &= ~feature; \
michael@0 65 } else if (inp) { \
michael@0 66 inp->sctp_features &= ~feature; \
michael@0 67 } \
michael@0 68 }
michael@0 69 #define sctp_stcb_is_feature_on(inp, stcb, feature) \
michael@0 70 (((stcb != NULL) && \
michael@0 71 ((stcb->asoc.sctp_features & feature) == feature)) || \
michael@0 72 ((stcb == NULL) && (inp != NULL) && \
michael@0 73 ((inp->sctp_features & feature) == feature)))
michael@0 74 #define sctp_stcb_is_feature_off(inp, stcb, feature) \
michael@0 75 (((stcb != NULL) && \
michael@0 76 ((stcb->asoc.sctp_features & feature) == 0)) || \
michael@0 77 ((stcb == NULL) && (inp != NULL) && \
michael@0 78 ((inp->sctp_features & feature) == 0)) || \
michael@0 79 ((stcb == NULL) && (inp == NULL)))
michael@0 80
michael@0 81 /* managing mobility_feature in inpcb (by micchie) */
michael@0 82 #define sctp_mobility_feature_on(inp, feature) (inp->sctp_mobility_features |= feature)
michael@0 83 #define sctp_mobility_feature_off(inp, feature) (inp->sctp_mobility_features &= ~feature)
michael@0 84 #define sctp_is_mobility_feature_on(inp, feature) (inp->sctp_mobility_features & feature)
michael@0 85 #define sctp_is_mobility_feature_off(inp, feature) ((inp->sctp_mobility_features & feature) == 0)
michael@0 86
michael@0 87 #define sctp_maxspace(sb) (max((sb)->sb_hiwat,SCTP_MINIMAL_RWND))
michael@0 88
michael@0 89 #define sctp_sbspace(asoc, sb) ((long) ((sctp_maxspace(sb) > (asoc)->sb_cc) ? (sctp_maxspace(sb) - (asoc)->sb_cc) : 0))
michael@0 90
michael@0 91 #define sctp_sbspace_failedmsgs(sb) ((long) ((sctp_maxspace(sb) > (sb)->sb_cc) ? (sctp_maxspace(sb) - (sb)->sb_cc) : 0))
michael@0 92
michael@0 93 #define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0)
michael@0 94
michael@0 95 /*
michael@0 96 * I tried to cache the readq entries at one point. But the reality
michael@0 97 * is that it did not add any performance since this meant we had to
michael@0 98 * lock the STCB on read. And at that point once you have to do an
michael@0 99 * extra lock, it really does not matter if the lock is in the ZONE
michael@0 100 * stuff or in our code. Note that this same problem would occur with
michael@0 101 * an mbuf cache as well so it is not really worth doing, at least
michael@0 102 * right now :-D
michael@0 103 */
michael@0 104
michael@0 105 #define sctp_free_a_readq(_stcb, _readq) { \
michael@0 106 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_readq), (_readq)); \
michael@0 107 SCTP_DECR_READQ_COUNT(); \
michael@0 108 }
michael@0 109
michael@0 110 #define sctp_alloc_a_readq(_stcb, _readq) { \
michael@0 111 (_readq) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_readq), struct sctp_queued_to_read); \
michael@0 112 if ((_readq)) { \
michael@0 113 SCTP_INCR_READQ_COUNT(); \
michael@0 114 } \
michael@0 115 }
michael@0 116
michael@0 117 #define sctp_free_a_strmoq(_stcb, _strmoq, _so_locked) { \
michael@0 118 if ((_strmoq)->holds_key_ref) { \
michael@0 119 sctp_auth_key_release(stcb, sp->auth_keyid, _so_locked); \
michael@0 120 (_strmoq)->holds_key_ref = 0; \
michael@0 121 } \
michael@0 122 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_strmoq), (_strmoq)); \
michael@0 123 SCTP_DECR_STRMOQ_COUNT(); \
michael@0 124 }
michael@0 125
michael@0 126 #define sctp_alloc_a_strmoq(_stcb, _strmoq) { \
michael@0 127 (_strmoq) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_strmoq), struct sctp_stream_queue_pending); \
michael@0 128 if ((_strmoq)) { \
michael@0 129 memset(_strmoq, 0, sizeof(struct sctp_stream_queue_pending)); \
michael@0 130 SCTP_INCR_STRMOQ_COUNT(); \
michael@0 131 (_strmoq)->holds_key_ref = 0; \
michael@0 132 } \
michael@0 133 }
michael@0 134
michael@0 135 #define sctp_free_a_chunk(_stcb, _chk, _so_locked) { \
michael@0 136 if ((_chk)->holds_key_ref) {\
michael@0 137 sctp_auth_key_release((_stcb), (_chk)->auth_keyid, _so_locked); \
michael@0 138 (_chk)->holds_key_ref = 0; \
michael@0 139 } \
michael@0 140 if (_stcb) { \
michael@0 141 SCTP_TCB_LOCK_ASSERT((_stcb)); \
michael@0 142 if ((_chk)->whoTo) { \
michael@0 143 sctp_free_remote_addr((_chk)->whoTo); \
michael@0 144 (_chk)->whoTo = NULL; \
michael@0 145 } \
michael@0 146 if (((_stcb)->asoc.free_chunk_cnt > SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit)) || \
michael@0 147 (SCTP_BASE_INFO(ipi_free_chunks) > SCTP_BASE_SYSCTL(sctp_system_free_resc_limit))) { \
michael@0 148 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), (_chk)); \
michael@0 149 SCTP_DECR_CHK_COUNT(); \
michael@0 150 } else { \
michael@0 151 TAILQ_INSERT_TAIL(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \
michael@0 152 (_stcb)->asoc.free_chunk_cnt++; \
michael@0 153 atomic_add_int(&SCTP_BASE_INFO(ipi_free_chunks), 1); \
michael@0 154 } \
michael@0 155 } else { \
michael@0 156 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), (_chk)); \
michael@0 157 SCTP_DECR_CHK_COUNT(); \
michael@0 158 } \
michael@0 159 }
michael@0 160
michael@0 161 #define sctp_alloc_a_chunk(_stcb, _chk) { \
michael@0 162 if (TAILQ_EMPTY(&(_stcb)->asoc.free_chunks)) { \
michael@0 163 (_chk) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_chunk), struct sctp_tmit_chunk); \
michael@0 164 if ((_chk)) { \
michael@0 165 SCTP_INCR_CHK_COUNT(); \
michael@0 166 (_chk)->whoTo = NULL; \
michael@0 167 (_chk)->holds_key_ref = 0; \
michael@0 168 } \
michael@0 169 } else { \
michael@0 170 (_chk) = TAILQ_FIRST(&(_stcb)->asoc.free_chunks); \
michael@0 171 TAILQ_REMOVE(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \
michael@0 172 atomic_subtract_int(&SCTP_BASE_INFO(ipi_free_chunks), 1); \
michael@0 173 (_chk)->holds_key_ref = 0; \
michael@0 174 SCTP_STAT_INCR(sctps_cached_chk); \
michael@0 175 (_stcb)->asoc.free_chunk_cnt--; \
michael@0 176 } \
michael@0 177 }
michael@0 178
michael@0 179 #if defined(__FreeBSD__) && __FreeBSD_version > 500000
michael@0 180
michael@0 181 #define sctp_free_remote_addr(__net) { \
michael@0 182 if ((__net)) { \
michael@0 183 if (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&(__net)->ref_count)) { \
michael@0 184 (void)SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \
michael@0 185 (void)SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \
michael@0 186 if ((__net)->ro.ro_rt) { \
michael@0 187 RTFREE((__net)->ro.ro_rt); \
michael@0 188 (__net)->ro.ro_rt = NULL; \
michael@0 189 } \
michael@0 190 if ((__net)->src_addr_selected) { \
michael@0 191 sctp_free_ifa((__net)->ro._s_addr); \
michael@0 192 (__net)->ro._s_addr = NULL; \
michael@0 193 } \
michael@0 194 (__net)->src_addr_selected = 0; \
michael@0 195 (__net)->dest_state &= ~SCTP_ADDR_REACHABLE; \
michael@0 196 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_net), (__net)); \
michael@0 197 SCTP_DECR_RADDR_COUNT(); \
michael@0 198 } \
michael@0 199 } \
michael@0 200 }
michael@0 201
michael@0 202 #define sctp_sbfree(ctl, stcb, sb, m) { \
michael@0 203 SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
michael@0 204 SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_mbcnt, MSIZE); \
michael@0 205 if (((ctl)->do_not_ref_stcb == 0) && stcb) {\
michael@0 206 SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
michael@0 207 SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
michael@0 208 } \
michael@0 209 if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \
michael@0 210 SCTP_BUF_TYPE(m) != MT_OOBDATA) \
michael@0 211 atomic_subtract_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \
michael@0 212 }
michael@0 213
michael@0 214 #define sctp_sballoc(stcb, sb, m) { \
michael@0 215 atomic_add_int(&(sb)->sb_cc,SCTP_BUF_LEN((m))); \
michael@0 216 atomic_add_int(&(sb)->sb_mbcnt, MSIZE); \
michael@0 217 if (stcb) { \
michael@0 218 atomic_add_int(&(stcb)->asoc.sb_cc,SCTP_BUF_LEN((m))); \
michael@0 219 atomic_add_int(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
michael@0 220 } \
michael@0 221 if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \
michael@0 222 SCTP_BUF_TYPE(m) != MT_OOBDATA) \
michael@0 223 atomic_add_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \
michael@0 224 }
michael@0 225
michael@0 226 #else /* FreeBSD Version <= 500000 or non-FreeBSD */
michael@0 227
michael@0 228 #define sctp_free_remote_addr(__net) { \
michael@0 229 if ((__net)) { \
michael@0 230 if (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&(__net)->ref_count)) { \
michael@0 231 (void)SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \
michael@0 232 (void)SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \
michael@0 233 (void)SCTP_OS_TIMER_STOP(&(__net)->hb_timer.timer); \
michael@0 234 if ((__net)->ro.ro_rt) { \
michael@0 235 RTFREE((__net)->ro.ro_rt); \
michael@0 236 (__net)->ro.ro_rt = NULL; \
michael@0 237 } \
michael@0 238 if ((__net)->src_addr_selected) { \
michael@0 239 sctp_free_ifa((__net)->ro._s_addr); \
michael@0 240 (__net)->ro._s_addr = NULL; \
michael@0 241 } \
michael@0 242 (__net)->src_addr_selected = 0; \
michael@0 243 (__net)->dest_state &=~SCTP_ADDR_REACHABLE; \
michael@0 244 SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_net), (__net)); \
michael@0 245 SCTP_DECR_RADDR_COUNT(); \
michael@0 246 } \
michael@0 247 } \
michael@0 248 }
michael@0 249
michael@0 250 #if defined(__Panda__)
michael@0 251 #define sctp_sbfree(ctl, stcb, sb, m) { \
michael@0 252 if ((sb)->sb_cc >= (uint32_t)SCTP_BUF_LEN((m))) { \
michael@0 253 atomic_subtract_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
michael@0 254 } else { \
michael@0 255 (sb)->sb_cc = 0; \
michael@0 256 } \
michael@0 257 if (((ctl)->do_not_ref_stcb == 0) && stcb) { \
michael@0 258 if ((stcb)->asoc.sb_cc >= (uint32_t)SCTP_BUF_LEN((m))) { \
michael@0 259 atomic_subtract_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
michael@0 260 } else { \
michael@0 261 (stcb)->asoc.sb_cc = 0; \
michael@0 262 } \
michael@0 263 } \
michael@0 264 }
michael@0 265
michael@0 266 #define sctp_sballoc(stcb, sb, m) { \
michael@0 267 atomic_add_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
michael@0 268 if (stcb) { \
michael@0 269 atomic_add_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
michael@0 270 } \
michael@0 271 }
michael@0 272
michael@0 273 #else
michael@0 274
michael@0 275 #define sctp_sbfree(ctl, stcb, sb, m) { \
michael@0 276 SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
michael@0 277 SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_mbcnt, MSIZE); \
michael@0 278 if (((ctl)->do_not_ref_stcb == 0) && stcb) { \
michael@0 279 SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
michael@0 280 SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
michael@0 281 } \
michael@0 282 }
michael@0 283
michael@0 284 #define sctp_sballoc(stcb, sb, m) { \
michael@0 285 atomic_add_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
michael@0 286 atomic_add_int(&(sb)->sb_mbcnt, MSIZE); \
michael@0 287 if (stcb) { \
michael@0 288 atomic_add_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
michael@0 289 atomic_add_int(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
michael@0 290 } \
michael@0 291 }
michael@0 292 #endif
michael@0 293 #endif
michael@0 294
michael@0 295 #define sctp_ucount_incr(val) { \
michael@0 296 val++; \
michael@0 297 }
michael@0 298
michael@0 299 #define sctp_ucount_decr(val) { \
michael@0 300 if (val > 0) { \
michael@0 301 val--; \
michael@0 302 } else { \
michael@0 303 val = 0; \
michael@0 304 } \
michael@0 305 }
michael@0 306
michael@0 307 #define sctp_mbuf_crush(data) do { \
michael@0 308 struct mbuf *_m; \
michael@0 309 _m = (data); \
michael@0 310 while (_m && (SCTP_BUF_LEN(_m) == 0)) { \
michael@0 311 (data) = SCTP_BUF_NEXT(_m); \
michael@0 312 SCTP_BUF_NEXT(_m) = NULL; \
michael@0 313 sctp_m_free(_m); \
michael@0 314 _m = (data); \
michael@0 315 } \
michael@0 316 } while (0)
michael@0 317
michael@0 318 #define sctp_flight_size_decrease(tp1) do { \
michael@0 319 if (tp1->whoTo->flight_size >= tp1->book_size) \
michael@0 320 tp1->whoTo->flight_size -= tp1->book_size; \
michael@0 321 else \
michael@0 322 tp1->whoTo->flight_size = 0; \
michael@0 323 } while (0)
michael@0 324
michael@0 325 #define sctp_flight_size_increase(tp1) do { \
michael@0 326 (tp1)->whoTo->flight_size += (tp1)->book_size; \
michael@0 327 } while (0)
michael@0 328
michael@0 329 #ifdef SCTP_FS_SPEC_LOG
michael@0 330 #define sctp_total_flight_decrease(stcb, tp1) do { \
michael@0 331 if (stcb->asoc.fs_index > SCTP_FS_SPEC_LOG_SIZE) \
michael@0 332 stcb->asoc.fs_index = 0;\
michael@0 333 stcb->asoc.fslog[stcb->asoc.fs_index].total_flight = stcb->asoc.total_flight; \
michael@0 334 stcb->asoc.fslog[stcb->asoc.fs_index].tsn = tp1->rec.data.TSN_seq; \
michael@0 335 stcb->asoc.fslog[stcb->asoc.fs_index].book = tp1->book_size; \
michael@0 336 stcb->asoc.fslog[stcb->asoc.fs_index].sent = tp1->sent; \
michael@0 337 stcb->asoc.fslog[stcb->asoc.fs_index].incr = 0; \
michael@0 338 stcb->asoc.fslog[stcb->asoc.fs_index].decr = 1; \
michael@0 339 stcb->asoc.fs_index++; \
michael@0 340 tp1->window_probe = 0; \
michael@0 341 if (stcb->asoc.total_flight >= tp1->book_size) { \
michael@0 342 stcb->asoc.total_flight -= tp1->book_size; \
michael@0 343 if (stcb->asoc.total_flight_count > 0) \
michael@0 344 stcb->asoc.total_flight_count--; \
michael@0 345 } else { \
michael@0 346 stcb->asoc.total_flight = 0; \
michael@0 347 stcb->asoc.total_flight_count = 0; \
michael@0 348 } \
michael@0 349 } while (0)
michael@0 350
michael@0 351 #define sctp_total_flight_increase(stcb, tp1) do { \
michael@0 352 if (stcb->asoc.fs_index > SCTP_FS_SPEC_LOG_SIZE) \
michael@0 353 stcb->asoc.fs_index = 0;\
michael@0 354 stcb->asoc.fslog[stcb->asoc.fs_index].total_flight = stcb->asoc.total_flight; \
michael@0 355 stcb->asoc.fslog[stcb->asoc.fs_index].tsn = tp1->rec.data.TSN_seq; \
michael@0 356 stcb->asoc.fslog[stcb->asoc.fs_index].book = tp1->book_size; \
michael@0 357 stcb->asoc.fslog[stcb->asoc.fs_index].sent = tp1->sent; \
michael@0 358 stcb->asoc.fslog[stcb->asoc.fs_index].incr = 1; \
michael@0 359 stcb->asoc.fslog[stcb->asoc.fs_index].decr = 0; \
michael@0 360 stcb->asoc.fs_index++; \
michael@0 361 (stcb)->asoc.total_flight_count++; \
michael@0 362 (stcb)->asoc.total_flight += (tp1)->book_size; \
michael@0 363 } while (0)
michael@0 364
michael@0 365 #else
michael@0 366
michael@0 367 #define sctp_total_flight_decrease(stcb, tp1) do { \
michael@0 368 tp1->window_probe = 0; \
michael@0 369 if (stcb->asoc.total_flight >= tp1->book_size) { \
michael@0 370 stcb->asoc.total_flight -= tp1->book_size; \
michael@0 371 if (stcb->asoc.total_flight_count > 0) \
michael@0 372 stcb->asoc.total_flight_count--; \
michael@0 373 } else { \
michael@0 374 stcb->asoc.total_flight = 0; \
michael@0 375 stcb->asoc.total_flight_count = 0; \
michael@0 376 } \
michael@0 377 } while (0)
michael@0 378
michael@0 379 #define sctp_total_flight_increase(stcb, tp1) do { \
michael@0 380 (stcb)->asoc.total_flight_count++; \
michael@0 381 (stcb)->asoc.total_flight += (tp1)->book_size; \
michael@0 382 } while (0)
michael@0 383
michael@0 384 #endif
michael@0 385
michael@0 386 #define SCTP_PF_ENABLED(_net) (_net->pf_threshold < _net->failure_threshold)
michael@0 387 #define SCTP_NET_IS_PF(_net) (_net->pf_threshold < _net->error_count)
michael@0 388
michael@0 389 struct sctp_nets;
michael@0 390 struct sctp_inpcb;
michael@0 391 struct sctp_tcb;
michael@0 392 struct sctphdr;
michael@0 393
michael@0 394
michael@0 395 #if (defined(__FreeBSD__) && __FreeBSD_version > 690000) || defined(__Windows__) || defined(__Userspace__)
michael@0 396 void sctp_close(struct socket *so);
michael@0 397 #else
michael@0 398 int sctp_detach(struct socket *so);
michael@0 399 #endif
michael@0 400 int sctp_disconnect(struct socket *so);
michael@0 401 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
michael@0 402 #if defined(__FreeBSD__) && __FreeBSD_version < 902000
michael@0 403 void sctp_ctlinput __P((int, struct sockaddr *, void *));
michael@0 404 int sctp_ctloutput __P((struct socket *, struct sockopt *));
michael@0 405 #ifdef INET
michael@0 406 void sctp_input_with_port __P((struct mbuf *, int, uint16_t));
michael@0 407 void sctp_input __P((struct mbuf *, int));
michael@0 408 #endif
michael@0 409 void sctp_pathmtu_adjustment __P((struct sctp_tcb *, uint16_t));
michael@0 410 #else
michael@0 411 void sctp_ctlinput(int, struct sockaddr *, void *);
michael@0 412 int sctp_ctloutput(struct socket *, struct sockopt *);
michael@0 413 #ifdef INET
michael@0 414 void sctp_input_with_port(struct mbuf *, int, uint16_t);
michael@0 415 void sctp_input(struct mbuf *, int);
michael@0 416 #endif
michael@0 417 void sctp_pathmtu_adjustment(struct sctp_tcb *, uint16_t);
michael@0 418 #endif
michael@0 419 #else
michael@0 420 #if defined(__Panda__)
michael@0 421 void sctp_input(pakhandle_type i_pak);
michael@0 422 #elif defined(__Userspace__)
michael@0 423 void sctp_pathmtu_adjustment(struct sctp_tcb *, uint16_t);
michael@0 424 #else
michael@0 425 void sctp_input(struct mbuf *,...);
michael@0 426 #endif
michael@0 427 void *sctp_ctlinput(int, struct sockaddr *, void *);
michael@0 428 int sctp_ctloutput(int, struct socket *, int, int, struct mbuf **);
michael@0 429 #endif
michael@0 430 #if defined(__FreeBSD__) && __FreeBSD_version < 902000
michael@0 431 void sctp_drain __P((void));
michael@0 432 #else
michael@0 433 void sctp_drain(void);
michael@0 434 #endif
michael@0 435 #if defined(__Userspace__)
michael@0 436 void sctp_init(uint16_t,
michael@0 437 int (*)(void *addr, void *buffer, size_t length, uint8_t tos, uint8_t set_df),
michael@0 438 void (*)(const char *, ...));
michael@0 439 #elif defined(__FreeBSD__) && __FreeBSD_version < 902000
michael@0 440 void sctp_init __P((void));
michael@0 441 #elif defined(__APPLE__) && (!defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) &&!defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION))
michael@0 442 void sctp_init(struct protosw *pp, struct domain *dp);
michael@0 443 #else
michael@0 444 void sctp_init(void);
michael@0 445 #endif
michael@0 446 void sctp_finish(void);
michael@0 447 #if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
michael@0 448 int sctp_flush(struct socket *, int);
michael@0 449 #endif
michael@0 450 #if defined(__FreeBSD__) && __FreeBSD_version < 902000
michael@0 451 int sctp_shutdown __P((struct socket *));
michael@0 452 void sctp_notify __P((struct sctp_inpcb *, struct ip *ip, struct sctphdr *,
michael@0 453 struct sockaddr *, struct sctp_tcb *,
michael@0 454 struct sctp_nets *));
michael@0 455 #else
michael@0 456 int sctp_shutdown(struct socket *);
michael@0 457 void sctp_notify(struct sctp_inpcb *, struct ip *ip, struct sctphdr *,
michael@0 458 struct sockaddr *, struct sctp_tcb *,
michael@0 459 struct sctp_nets *);
michael@0 460 #endif
michael@0 461 int sctp_bindx(struct socket *, int, struct sockaddr_storage *,
michael@0 462 int, int, struct proc *);
michael@0 463 /* can't use sctp_assoc_t here */
michael@0 464 int sctp_peeloff(struct socket *, struct socket *, int, caddr_t, int *);
michael@0 465 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
michael@0 466 int sctp_ingetaddr(struct socket *, struct sockaddr **);
michael@0 467 #elif defined(__Panda__)
michael@0 468 int sctp_ingetaddr(struct socket *, struct sockaddr *);
michael@0 469 #else
michael@0 470 int sctp_ingetaddr(struct socket *, struct mbuf *);
michael@0 471 #endif
michael@0 472 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
michael@0 473 int sctp_peeraddr(struct socket *, struct sockaddr **);
michael@0 474 #elif defined(__Panda__)
michael@0 475 int sctp_peeraddr(struct socket *, struct sockaddr *);
michael@0 476 #else
michael@0 477 int sctp_peeraddr(struct socket *, struct mbuf *);
michael@0 478 #endif
michael@0 479 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
michael@0 480 #if __FreeBSD_version >= 700000
michael@0 481 int sctp_listen(struct socket *, int, struct thread *);
michael@0 482 #else
michael@0 483 int sctp_listen(struct socket *, struct thread *);
michael@0 484 #endif
michael@0 485 #elif defined(__Windows__)
michael@0 486 int sctp_listen(struct socket *, int, PKTHREAD);
michael@0 487 #elif defined(__Userspace__)
michael@0 488 int sctp_listen(struct socket *, int, struct proc *);
michael@0 489 #else
michael@0 490 int sctp_listen(struct socket *, struct proc *);
michael@0 491 #endif
michael@0 492 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
michael@0 493 int sctp_accept(struct socket *, struct sockaddr **);
michael@0 494 #elif defined(__Panda__)
michael@0 495 int sctp_accept(struct socket *, struct sockaddr *, int *, void *, int *);
michael@0 496 #else
michael@0 497 int sctp_accept(struct socket *, struct mbuf *);
michael@0 498 #endif
michael@0 499
michael@0 500 #endif /* _KERNEL */
michael@0 501
michael@0 502 #endif /* !_NETINET_SCTP_VAR_H_ */

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