michael@0: /*-
michael@0:  * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
michael@0:  * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
michael@0:  * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
michael@0:  *
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions are met:
michael@0:  *
michael@0:  * a) Redistributions of source code must retain the above copyright notice,
michael@0:  *    this list of conditions and the following disclaimer.
michael@0:  *
michael@0:  * b) Redistributions in binary form must reproduce the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer in
michael@0:  *    the documentation and/or other materials provided with the distribution.
michael@0:  *
michael@0:  * c) Neither the name of Cisco Systems, Inc. nor the names of its
michael@0:  *    contributors may be used to endorse or promote products derived
michael@0:  *    from this software without specific prior written permission.
michael@0:  *
michael@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0:  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
michael@0:  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
michael@0:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
michael@0:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
michael@0:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
michael@0:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
michael@0:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
michael@0:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
michael@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
michael@0:  * THE POSSIBILITY OF SUCH DAMAGE.
michael@0:  */
michael@0: 
michael@0: #ifdef __FreeBSD__
michael@0: #include <sys/cdefs.h>
michael@0: __FBSDID("$FreeBSD: head/sys/netinet/sctp_var.h 242327 2012-10-29 20:47:32Z tuexen $");
michael@0: #endif
michael@0: 
michael@0: #ifndef _NETINET_SCTP_VAR_H_
michael@0: #define _NETINET_SCTP_VAR_H_
michael@0: 
michael@0: #include <netinet/sctp_uio.h>
michael@0: 
michael@0: #if defined(_KERNEL) || defined(__Userspace__)
michael@0: 
michael@0: #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
michael@0: extern struct pr_usrreqs sctp_usrreqs;
michael@0: #endif
michael@0: 
michael@0: 
michael@0: #define sctp_feature_on(inp, feature)  (inp->sctp_features |= feature)
michael@0: #define sctp_feature_off(inp, feature) (inp->sctp_features &= ~feature)
michael@0: #define sctp_is_feature_on(inp, feature) ((inp->sctp_features & feature) == feature)
michael@0: #define sctp_is_feature_off(inp, feature) ((inp->sctp_features & feature) == 0)
michael@0: 
michael@0: #define sctp_stcb_feature_on(inp, stcb, feature) {\
michael@0: 	if (stcb) { \
michael@0: 		stcb->asoc.sctp_features |= feature; \
michael@0: 	} else if (inp) { \
michael@0: 		inp->sctp_features |= feature; \
michael@0: 	} \
michael@0: }
michael@0: #define sctp_stcb_feature_off(inp, stcb, feature) {\
michael@0: 	if (stcb) { \
michael@0: 		stcb->asoc.sctp_features &= ~feature; \
michael@0: 	} else if (inp) { \
michael@0: 		inp->sctp_features &= ~feature; \
michael@0: 	} \
michael@0: }
michael@0: #define sctp_stcb_is_feature_on(inp, stcb, feature) \
michael@0: 	(((stcb != NULL) && \
michael@0: 	  ((stcb->asoc.sctp_features & feature) == feature)) || \
michael@0: 	 ((stcb == NULL) && (inp != NULL) && \
michael@0: 	  ((inp->sctp_features & feature) == feature)))
michael@0: #define sctp_stcb_is_feature_off(inp, stcb, feature) \
michael@0: 	(((stcb != NULL) && \
michael@0: 	  ((stcb->asoc.sctp_features & feature) == 0)) || \
michael@0: 	 ((stcb == NULL) && (inp != NULL) && \
michael@0: 	  ((inp->sctp_features & feature) == 0)) || \
michael@0:          ((stcb == NULL) && (inp == NULL)))
michael@0: 
michael@0: /* managing mobility_feature in inpcb (by micchie) */
michael@0: #define sctp_mobility_feature_on(inp, feature)  (inp->sctp_mobility_features |= feature)
michael@0: #define sctp_mobility_feature_off(inp, feature) (inp->sctp_mobility_features &= ~feature)
michael@0: #define sctp_is_mobility_feature_on(inp, feature) (inp->sctp_mobility_features & feature)
michael@0: #define sctp_is_mobility_feature_off(inp, feature) ((inp->sctp_mobility_features & feature) == 0)
michael@0: 
michael@0: #define sctp_maxspace(sb) (max((sb)->sb_hiwat,SCTP_MINIMAL_RWND))
michael@0: 
michael@0: #define	sctp_sbspace(asoc, sb) ((long) ((sctp_maxspace(sb) > (asoc)->sb_cc) ? (sctp_maxspace(sb) - (asoc)->sb_cc) : 0))
michael@0: 
michael@0: #define	sctp_sbspace_failedmsgs(sb) ((long) ((sctp_maxspace(sb) > (sb)->sb_cc) ? (sctp_maxspace(sb) - (sb)->sb_cc) : 0))
michael@0: 
michael@0: #define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0)
michael@0: 
michael@0: /*
michael@0:  * I tried to cache the readq entries at one point. But the reality
michael@0:  * is that it did not add any performance since this meant we had to
michael@0:  * lock the STCB on read. And at that point once you have to do an
michael@0:  * extra lock, it really does not matter if the lock is in the ZONE
michael@0:  * stuff or in our code. Note that this same problem would occur with
michael@0:  * an mbuf cache as well so it is not really worth doing, at least
michael@0:  * right now :-D
michael@0:  */
michael@0: 
michael@0: #define sctp_free_a_readq(_stcb, _readq) { \
michael@0: 	SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_readq), (_readq)); \
michael@0: 	SCTP_DECR_READQ_COUNT(); \
michael@0: }
michael@0: 
michael@0: #define sctp_alloc_a_readq(_stcb, _readq) { \
michael@0: 	(_readq) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_readq), struct sctp_queued_to_read); \
michael@0: 	if ((_readq)) { \
michael@0:  	     SCTP_INCR_READQ_COUNT(); \
michael@0: 	} \
michael@0: }
michael@0: 
michael@0: #define sctp_free_a_strmoq(_stcb, _strmoq, _so_locked) { \
michael@0: 	if ((_strmoq)->holds_key_ref) { \
michael@0: 		sctp_auth_key_release(stcb, sp->auth_keyid, _so_locked); \
michael@0: 		(_strmoq)->holds_key_ref = 0; \
michael@0: 	} \
michael@0: 	SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_strmoq), (_strmoq)); \
michael@0: 	SCTP_DECR_STRMOQ_COUNT(); \
michael@0: }
michael@0: 
michael@0: #define sctp_alloc_a_strmoq(_stcb, _strmoq) { \
michael@0: 	(_strmoq) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_strmoq), struct sctp_stream_queue_pending); \
michael@0:          if ((_strmoq)) {			  \
michael@0: 		memset(_strmoq, 0, sizeof(struct sctp_stream_queue_pending)); \
michael@0: 		SCTP_INCR_STRMOQ_COUNT(); \
michael@0: 		(_strmoq)->holds_key_ref = 0; \
michael@0:  	} \
michael@0: }
michael@0: 
michael@0: #define sctp_free_a_chunk(_stcb, _chk, _so_locked) { \
michael@0: 	if ((_chk)->holds_key_ref) {\
michael@0: 		sctp_auth_key_release((_stcb), (_chk)->auth_keyid, _so_locked); \
michael@0: 		(_chk)->holds_key_ref = 0; \
michael@0: 	} \
michael@0:         if (_stcb) { \
michael@0:           SCTP_TCB_LOCK_ASSERT((_stcb)); \
michael@0:           if ((_chk)->whoTo) { \
michael@0:                   sctp_free_remote_addr((_chk)->whoTo); \
michael@0:                   (_chk)->whoTo = NULL; \
michael@0:           } \
michael@0:           if (((_stcb)->asoc.free_chunk_cnt > SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit)) || \
michael@0:                (SCTP_BASE_INFO(ipi_free_chunks) > SCTP_BASE_SYSCTL(sctp_system_free_resc_limit))) { \
michael@0: 	 	SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), (_chk)); \
michael@0: 	 	SCTP_DECR_CHK_COUNT(); \
michael@0: 	  } else { \
michael@0: 	 	TAILQ_INSERT_TAIL(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \
michael@0: 	 	(_stcb)->asoc.free_chunk_cnt++; \
michael@0: 	 	atomic_add_int(&SCTP_BASE_INFO(ipi_free_chunks), 1); \
michael@0:           } \
michael@0:         } else { \
michael@0: 		SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), (_chk)); \
michael@0: 		SCTP_DECR_CHK_COUNT(); \
michael@0: 	} \
michael@0: }
michael@0: 
michael@0: #define sctp_alloc_a_chunk(_stcb, _chk) { \
michael@0: 	if (TAILQ_EMPTY(&(_stcb)->asoc.free_chunks)) { \
michael@0: 		(_chk) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_chunk), struct sctp_tmit_chunk); \
michael@0: 		if ((_chk)) { \
michael@0: 			SCTP_INCR_CHK_COUNT(); \
michael@0:                         (_chk)->whoTo = NULL; \
michael@0: 			(_chk)->holds_key_ref = 0; \
michael@0: 		} \
michael@0: 	} else { \
michael@0: 		(_chk) = TAILQ_FIRST(&(_stcb)->asoc.free_chunks); \
michael@0: 		TAILQ_REMOVE(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \
michael@0: 		atomic_subtract_int(&SCTP_BASE_INFO(ipi_free_chunks), 1); \
michael@0: 		(_chk)->holds_key_ref = 0; \
michael@0:                 SCTP_STAT_INCR(sctps_cached_chk); \
michael@0: 		(_stcb)->asoc.free_chunk_cnt--; \
michael@0: 	} \
michael@0: }
michael@0: 
michael@0: #if defined(__FreeBSD__) && __FreeBSD_version > 500000
michael@0: 
michael@0: #define sctp_free_remote_addr(__net) { \
michael@0: 	if ((__net)) {  \
michael@0: 		if (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&(__net)->ref_count)) { \
michael@0: 			(void)SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \
michael@0: 			(void)SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \
michael@0:                         if ((__net)->ro.ro_rt) { \
michael@0: 				RTFREE((__net)->ro.ro_rt); \
michael@0: 				(__net)->ro.ro_rt = NULL; \
michael@0:                         } \
michael@0: 			if ((__net)->src_addr_selected) { \
michael@0: 				sctp_free_ifa((__net)->ro._s_addr); \
michael@0: 				(__net)->ro._s_addr = NULL; \
michael@0: 			} \
michael@0:                         (__net)->src_addr_selected = 0; \
michael@0: 			(__net)->dest_state &= ~SCTP_ADDR_REACHABLE; \
michael@0: 			SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_net), (__net)); \
michael@0: 			SCTP_DECR_RADDR_COUNT(); \
michael@0: 		} \
michael@0: 	} \
michael@0: }
michael@0: 
michael@0: #define sctp_sbfree(ctl, stcb, sb, m) { \
michael@0: 	SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
michael@0: 	SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_mbcnt, MSIZE); \
michael@0: 	if (((ctl)->do_not_ref_stcb == 0) && stcb) {\
michael@0: 		SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
michael@0: 		SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
michael@0: 	} \
michael@0: 	if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \
michael@0: 	    SCTP_BUF_TYPE(m) != MT_OOBDATA) \
michael@0: 		atomic_subtract_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \
michael@0: }
michael@0: 
michael@0: #define sctp_sballoc(stcb, sb, m) { \
michael@0: 	atomic_add_int(&(sb)->sb_cc,SCTP_BUF_LEN((m))); \
michael@0: 	atomic_add_int(&(sb)->sb_mbcnt, MSIZE); \
michael@0: 	if (stcb) { \
michael@0: 		atomic_add_int(&(stcb)->asoc.sb_cc,SCTP_BUF_LEN((m))); \
michael@0: 		atomic_add_int(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
michael@0: 	} \
michael@0: 	if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \
michael@0: 	    SCTP_BUF_TYPE(m) != MT_OOBDATA) \
michael@0: 		atomic_add_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \
michael@0: }
michael@0: 
michael@0: #else				/* FreeBSD Version <= 500000 or non-FreeBSD */
michael@0: 
michael@0: #define sctp_free_remote_addr(__net) { \
michael@0: 	if ((__net)) { \
michael@0: 		if (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&(__net)->ref_count)) { \
michael@0: 			(void)SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \
michael@0: 			(void)SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \
michael@0: 			(void)SCTP_OS_TIMER_STOP(&(__net)->hb_timer.timer); \
michael@0:                         if ((__net)->ro.ro_rt) { \
michael@0: 				RTFREE((__net)->ro.ro_rt); \
michael@0: 				(__net)->ro.ro_rt = NULL; \
michael@0:                         } \
michael@0: 			if ((__net)->src_addr_selected) { \
michael@0: 				sctp_free_ifa((__net)->ro._s_addr); \
michael@0: 				(__net)->ro._s_addr = NULL; \
michael@0: 			} \
michael@0:                         (__net)->src_addr_selected = 0; \
michael@0: 			(__net)->dest_state &=~SCTP_ADDR_REACHABLE; \
michael@0: 			SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_net), (__net)); \
michael@0: 			SCTP_DECR_RADDR_COUNT(); \
michael@0: 		} \
michael@0: 	} \
michael@0: }
michael@0: 
michael@0: #if defined(__Panda__)
michael@0: #define sctp_sbfree(ctl, stcb, sb, m) { \
michael@0: 	if ((sb)->sb_cc >= (uint32_t)SCTP_BUF_LEN((m))) { \
michael@0: 		atomic_subtract_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
michael@0: 	} else { \
michael@0: 		(sb)->sb_cc = 0; \
michael@0: 	} \
michael@0: 	if (((ctl)->do_not_ref_stcb == 0) && stcb) { \
michael@0: 		if ((stcb)->asoc.sb_cc >= (uint32_t)SCTP_BUF_LEN((m))) { \
michael@0: 			atomic_subtract_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
michael@0: 		} else { \
michael@0: 			(stcb)->asoc.sb_cc = 0; \
michael@0: 		} \
michael@0: 	} \
michael@0: }
michael@0: 
michael@0: #define sctp_sballoc(stcb, sb, m) { \
michael@0: 	atomic_add_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
michael@0: 	if (stcb) { \
michael@0: 		atomic_add_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
michael@0: 	} \
michael@0: }
michael@0: 
michael@0: #else
michael@0: 
michael@0: #define sctp_sbfree(ctl, stcb, sb, m) { \
michael@0: 	SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
michael@0: 	SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_mbcnt, MSIZE); \
michael@0: 	if (((ctl)->do_not_ref_stcb == 0) && stcb) { \
michael@0: 		SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
michael@0: 		SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
michael@0: 	} \
michael@0: }
michael@0: 
michael@0: #define sctp_sballoc(stcb, sb, m) { \
michael@0: 	atomic_add_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
michael@0: 	atomic_add_int(&(sb)->sb_mbcnt, MSIZE); \
michael@0: 	if (stcb) { \
michael@0: 		atomic_add_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
michael@0: 		atomic_add_int(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
michael@0: 	} \
michael@0: }
michael@0: #endif
michael@0: #endif
michael@0: 
michael@0: #define sctp_ucount_incr(val) { \
michael@0: 	val++; \
michael@0: }
michael@0: 
michael@0: #define sctp_ucount_decr(val) { \
michael@0: 	if (val > 0) { \
michael@0: 		val--; \
michael@0: 	} else { \
michael@0: 		val = 0; \
michael@0: 	} \
michael@0: }
michael@0: 
michael@0: #define sctp_mbuf_crush(data) do { \
michael@0: 	struct mbuf *_m; \
michael@0: 	_m = (data); \
michael@0: 	while (_m && (SCTP_BUF_LEN(_m) == 0)) { \
michael@0: 		(data)  = SCTP_BUF_NEXT(_m); \
michael@0: 		SCTP_BUF_NEXT(_m) = NULL; \
michael@0: 		sctp_m_free(_m); \
michael@0: 		_m = (data); \
michael@0: 	} \
michael@0: } while (0)
michael@0: 
michael@0: #define sctp_flight_size_decrease(tp1) do { \
michael@0: 	if (tp1->whoTo->flight_size >= tp1->book_size) \
michael@0: 		tp1->whoTo->flight_size -= tp1->book_size; \
michael@0: 	else \
michael@0: 		tp1->whoTo->flight_size = 0; \
michael@0: } while (0)
michael@0: 
michael@0: #define sctp_flight_size_increase(tp1) do { \
michael@0:        (tp1)->whoTo->flight_size += (tp1)->book_size; \
michael@0: } while (0)
michael@0: 
michael@0: #ifdef SCTP_FS_SPEC_LOG
michael@0: #define sctp_total_flight_decrease(stcb, tp1) do { \
michael@0:         if (stcb->asoc.fs_index > SCTP_FS_SPEC_LOG_SIZE) \
michael@0: 		stcb->asoc.fs_index = 0;\
michael@0: 	stcb->asoc.fslog[stcb->asoc.fs_index].total_flight = stcb->asoc.total_flight; \
michael@0: 	stcb->asoc.fslog[stcb->asoc.fs_index].tsn = tp1->rec.data.TSN_seq; \
michael@0: 	stcb->asoc.fslog[stcb->asoc.fs_index].book = tp1->book_size; \
michael@0: 	stcb->asoc.fslog[stcb->asoc.fs_index].sent = tp1->sent; \
michael@0: 	stcb->asoc.fslog[stcb->asoc.fs_index].incr = 0; \
michael@0: 	stcb->asoc.fslog[stcb->asoc.fs_index].decr = 1; \
michael@0: 	stcb->asoc.fs_index++; \
michael@0:         tp1->window_probe = 0; \
michael@0: 	if (stcb->asoc.total_flight >= tp1->book_size) { \
michael@0: 		stcb->asoc.total_flight -= tp1->book_size; \
michael@0: 		if (stcb->asoc.total_flight_count > 0) \
michael@0: 			stcb->asoc.total_flight_count--; \
michael@0: 	} else { \
michael@0: 		stcb->asoc.total_flight = 0; \
michael@0: 		stcb->asoc.total_flight_count = 0; \
michael@0: 	} \
michael@0: } while (0)
michael@0: 
michael@0: #define sctp_total_flight_increase(stcb, tp1) do { \
michael@0:         if (stcb->asoc.fs_index > SCTP_FS_SPEC_LOG_SIZE) \
michael@0: 		stcb->asoc.fs_index = 0;\
michael@0: 	stcb->asoc.fslog[stcb->asoc.fs_index].total_flight = stcb->asoc.total_flight; \
michael@0: 	stcb->asoc.fslog[stcb->asoc.fs_index].tsn = tp1->rec.data.TSN_seq; \
michael@0: 	stcb->asoc.fslog[stcb->asoc.fs_index].book = tp1->book_size; \
michael@0: 	stcb->asoc.fslog[stcb->asoc.fs_index].sent = tp1->sent; \
michael@0: 	stcb->asoc.fslog[stcb->asoc.fs_index].incr = 1; \
michael@0: 	stcb->asoc.fslog[stcb->asoc.fs_index].decr = 0; \
michael@0: 	stcb->asoc.fs_index++; \
michael@0:        (stcb)->asoc.total_flight_count++; \
michael@0:        (stcb)->asoc.total_flight += (tp1)->book_size; \
michael@0: } while (0)
michael@0: 
michael@0: #else
michael@0: 
michael@0: #define sctp_total_flight_decrease(stcb, tp1) do { \
michael@0:         tp1->window_probe = 0; \
michael@0: 	if (stcb->asoc.total_flight >= tp1->book_size) { \
michael@0: 		stcb->asoc.total_flight -= tp1->book_size; \
michael@0: 		if (stcb->asoc.total_flight_count > 0) \
michael@0: 			stcb->asoc.total_flight_count--; \
michael@0: 	} else { \
michael@0: 		stcb->asoc.total_flight = 0; \
michael@0: 		stcb->asoc.total_flight_count = 0; \
michael@0: 	} \
michael@0: } while (0)
michael@0: 
michael@0: #define sctp_total_flight_increase(stcb, tp1) do { \
michael@0:        (stcb)->asoc.total_flight_count++; \
michael@0:        (stcb)->asoc.total_flight += (tp1)->book_size; \
michael@0: } while (0)
michael@0: 
michael@0: #endif
michael@0: 
michael@0: #define SCTP_PF_ENABLED(_net) (_net->pf_threshold < _net->failure_threshold)
michael@0: #define SCTP_NET_IS_PF(_net) (_net->pf_threshold < _net->error_count)
michael@0: 
michael@0: struct sctp_nets;
michael@0: struct sctp_inpcb;
michael@0: struct sctp_tcb;
michael@0: struct sctphdr;
michael@0: 
michael@0: 
michael@0: #if (defined(__FreeBSD__) && __FreeBSD_version > 690000) || defined(__Windows__) || defined(__Userspace__)
michael@0: void sctp_close(struct socket *so);
michael@0: #else
michael@0: int sctp_detach(struct socket *so);
michael@0: #endif
michael@0: int sctp_disconnect(struct socket *so);
michael@0: #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
michael@0: #if defined(__FreeBSD__) && __FreeBSD_version < 902000
michael@0: void sctp_ctlinput __P((int, struct sockaddr *, void *));
michael@0: int sctp_ctloutput __P((struct socket *, struct sockopt *));
michael@0: #ifdef INET
michael@0: void sctp_input_with_port __P((struct mbuf *, int, uint16_t));
michael@0: void sctp_input __P((struct mbuf *, int));
michael@0: #endif
michael@0: void sctp_pathmtu_adjustment __P((struct sctp_tcb *, uint16_t));
michael@0: #else
michael@0: void sctp_ctlinput(int, struct sockaddr *, void *);
michael@0: int sctp_ctloutput(struct socket *, struct sockopt *);
michael@0: #ifdef INET
michael@0: void sctp_input_with_port(struct mbuf *, int, uint16_t);
michael@0: void sctp_input(struct mbuf *, int);
michael@0: #endif
michael@0: void sctp_pathmtu_adjustment(struct sctp_tcb *, uint16_t);
michael@0: #endif
michael@0: #else
michael@0: #if defined(__Panda__)
michael@0: void sctp_input(pakhandle_type i_pak);
michael@0: #elif defined(__Userspace__)
michael@0: void sctp_pathmtu_adjustment(struct sctp_tcb *, uint16_t);
michael@0: #else
michael@0: void sctp_input(struct mbuf *,...);
michael@0: #endif
michael@0: void *sctp_ctlinput(int, struct sockaddr *, void *);
michael@0: int sctp_ctloutput(int, struct socket *, int, int, struct mbuf **);
michael@0: #endif
michael@0: #if defined(__FreeBSD__) && __FreeBSD_version < 902000
michael@0: void sctp_drain __P((void));
michael@0: #else
michael@0: void sctp_drain(void);
michael@0: #endif
michael@0: #if defined(__Userspace__)
michael@0: void sctp_init(uint16_t,
michael@0:                int (*)(void *addr, void *buffer, size_t length, uint8_t tos, uint8_t set_df),
michael@0:                void (*)(const char *, ...));
michael@0: #elif defined(__FreeBSD__) && __FreeBSD_version < 902000
michael@0: void sctp_init __P((void));
michael@0: #elif defined(__APPLE__) && (!defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) &&!defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION))
michael@0: void sctp_init(struct protosw *pp, struct domain *dp);
michael@0: #else
michael@0: void sctp_init(void);
michael@0: #endif
michael@0: void sctp_finish(void);
michael@0: #if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
michael@0: int sctp_flush(struct socket *, int);
michael@0: #endif
michael@0: #if defined(__FreeBSD__) && __FreeBSD_version < 902000
michael@0: int sctp_shutdown __P((struct socket *));
michael@0: void sctp_notify __P((struct sctp_inpcb *, struct ip *ip, struct sctphdr *,
michael@0: 		struct sockaddr *, struct sctp_tcb *,
michael@0: 		struct sctp_nets *));
michael@0: #else
michael@0: int sctp_shutdown(struct socket *);
michael@0: void sctp_notify(struct sctp_inpcb *, struct ip *ip, struct sctphdr *,
michael@0: 		 struct sockaddr *, struct sctp_tcb *,
michael@0: 		 struct sctp_nets *);
michael@0: #endif
michael@0: int sctp_bindx(struct socket *, int, struct sockaddr_storage *,
michael@0: 	int, int, struct proc *);
michael@0: /* can't use sctp_assoc_t here */
michael@0: int sctp_peeloff(struct socket *, struct socket *, int, caddr_t, int *);
michael@0: #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
michael@0: int sctp_ingetaddr(struct socket *, struct sockaddr **);
michael@0: #elif defined(__Panda__)
michael@0: int sctp_ingetaddr(struct socket *, struct sockaddr *);
michael@0: #else
michael@0: int sctp_ingetaddr(struct socket *, struct mbuf *);
michael@0: #endif
michael@0: #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
michael@0: int sctp_peeraddr(struct socket *, struct sockaddr **);
michael@0: #elif defined(__Panda__)
michael@0: int sctp_peeraddr(struct socket *, struct sockaddr *);
michael@0: #else
michael@0: int sctp_peeraddr(struct socket *, struct mbuf *);
michael@0: #endif
michael@0: #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
michael@0: #if __FreeBSD_version >= 700000
michael@0: int sctp_listen(struct socket *, int, struct thread *);
michael@0: #else
michael@0: int sctp_listen(struct socket *, struct thread *);
michael@0: #endif
michael@0: #elif defined(__Windows__)
michael@0: int sctp_listen(struct socket *, int, PKTHREAD);
michael@0: #elif defined(__Userspace__)
michael@0: int sctp_listen(struct socket *, int, struct proc *);
michael@0: #else
michael@0: int sctp_listen(struct socket *, struct proc *);
michael@0: #endif
michael@0: #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
michael@0: int sctp_accept(struct socket *, struct sockaddr **);
michael@0: #elif defined(__Panda__)
michael@0: int sctp_accept(struct socket *, struct sockaddr *, int *, void *, int *);
michael@0: #else
michael@0: int sctp_accept(struct socket *, struct mbuf *);
michael@0: #endif
michael@0: 
michael@0: #endif /* _KERNEL */
michael@0: 
michael@0: #endif /* !_NETINET_SCTP_VAR_H_ */