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/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
* Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* a) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* b) Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
*
* c) Neither the name of Cisco Systems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#if defined(__FreeBSD__) && !defined(__Userspace__)
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: head/sys/netinet/sctp_output.h 366114 2020-09-24 12:26:06Z tuexen $");
#endif
#ifndef _NETINET_SCTP_OUTPUT_H_
#define _NETINET_SCTP_OUTPUT_H_
#include <netinet/sctp_header.h>
#if defined(_KERNEL) || defined(__Userspace__)
struct mbuf *
sctp_add_addresses_to_i_ia(struct sctp_inpcb *inp,
struct sctp_tcb *stcb,
struct sctp_scoping *scope,
struct mbuf *m_at,
int cnt_inits_to,
uint16_t *padding_len, uint16_t *chunk_len);
int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *);
int
sctp_is_address_in_scope(struct sctp_ifa *ifa,
struct sctp_scoping *scope,
int do_update);
int
sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa);
struct sctp_ifa *
sctp_source_address_selection(struct sctp_inpcb *inp,
struct sctp_tcb *stcb,
sctp_route_t *ro, struct sctp_nets *net,
int non_asoc_addr_ok, uint32_t vrf_id);
#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Userspace__)
int sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t *ro);
int sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t *ro);
#endif
void sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *, int);
void
sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *,
struct sctp_nets *, struct mbuf *,
int, int,
struct sockaddr *, struct sockaddr *,
struct sctphdr *, struct sctp_init_chunk *,
#if defined(__FreeBSD__) && !defined(__Userspace__)
uint8_t, uint32_t,
#endif
uint32_t, uint16_t);
struct mbuf *
sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *,
struct sctp_chunkhdr *, int *, int *);
void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *);
int
sctp_send_cookie_echo(struct mbuf *, int, int, struct sctp_tcb *,
struct sctp_nets *);
void sctp_send_cookie_ack(struct sctp_tcb *);
void
sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int,
struct sctp_nets *);
void
sctp_remove_from_wheel(struct sctp_tcb *stcb,
struct sctp_association *asoc,
struct sctp_stream_out *strq, int holds_lock);
void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *);
void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *);
void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int);
void sctp_send_shutdown_complete2(struct sockaddr *, struct sockaddr *,
struct sctphdr *,
#if defined(__FreeBSD__) && !defined(__Userspace__)
uint8_t, uint32_t, uint16_t,
#endif
uint32_t, uint16_t);
void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked);
void sctp_send_asconf_ack(struct sctp_tcb *);
int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *);
void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *);
void sctp_toss_old_asconf(struct sctp_tcb *);
void sctp_fix_ecn_echo(struct sctp_association *);
void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net);
#define SCTP_DATA_CHUNK_OVERHEAD(stcb) ((stcb)->asoc.idata_supported ? \
sizeof(struct sctp_idata_chunk) : \
sizeof(struct sctp_data_chunk))
#if defined(__FreeBSD__) && !defined(__Userspace__)
int
sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *,
struct mbuf *, struct thread *, int);
#elif defined(_WIN32) && !defined(__Userspace__)
sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *,
struct mbuf *, PKTHREAD, int);
#else
#if defined(__Userspace__)
/* sctp_output is called bu sctp_sendm. Not using sctp_sendm for __Userspace__ */
#endif
int
sctp_output(struct sctp_inpcb *,
struct mbuf *,
struct sockaddr *,
struct mbuf *,
struct proc *, int);
#endif
void sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int);
void sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int);
void send_forward_tsn(struct sctp_tcb *, struct sctp_association *);
void sctp_send_sack(struct sctp_tcb *, int);
void sctp_send_hb(struct sctp_tcb *, struct sctp_nets *, int);
void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t);
void
sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *,
int, int, int);
void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t, uint8_t);
void
sctp_add_stream_reset_result(struct sctp_tmit_chunk *, uint32_t, uint32_t);
void
sctp_send_deferred_reset_response(struct sctp_tcb *,
struct sctp_stream_reset_list *,
int);
void
sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *,
uint32_t, uint32_t, uint32_t, uint32_t);
int
sctp_send_stream_reset_out_if_possible(struct sctp_tcb *, int);
int
sctp_send_str_reset_req(struct sctp_tcb *, uint16_t , uint16_t *,
uint8_t, uint8_t, uint8_t, uint16_t, uint16_t, uint8_t);
void
sctp_send_abort(struct mbuf *, int, struct sockaddr *, struct sockaddr *,
struct sctphdr *, uint32_t, struct mbuf *,
#if defined(__FreeBSD__) && !defined(__Userspace__)
uint8_t, uint32_t, uint16_t,
#endif
uint32_t, uint16_t);
void
sctp_send_operr_to(struct sockaddr *, struct sockaddr *,
struct sctphdr *, uint32_t, struct mbuf *,
#if defined(__FreeBSD__) && !defined(__Userspace__)
uint8_t, uint32_t, uint16_t,
#endif
uint32_t, uint16_t);
#endif /* _KERNEL || __Userspace__ */
#if defined(_KERNEL) || defined(__Userspace__)
int
sctp_sosend(struct socket *so,
struct sockaddr *addr,
struct uio *uio,
struct mbuf *top,
struct mbuf *control,
#if defined(__APPLE__) && !defined(__Userspace__)
int flags
#else
int flags,
#if defined(__FreeBSD__) && !defined(__Userspace__)
struct thread *p
#elif defined(_WIN32) && !defined(__Userspace__)
PKTHREAD p
#else
#if defined(__Userspace__)
/* proc is a dummy in __Userspace__ and will not be passed to sctp_lower_sosend */
#endif
struct proc *p
#endif
#endif
);
#endif
#endif
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