d32ed2c735
While there, appropriately handle the overhead depending on the usage of DATA or I-DATA chunks. Take the overhead only into account, when required. Joint work with rrs@ MFC after: 1 week
223 lines
6.5 KiB
C
223 lines
6.5 KiB
C
/*-
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* Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
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* Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* a) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* b) Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* c) Neither the name of Cisco Systems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#ifndef _NETINET_SCTP_OUTPUT_H_
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#define _NETINET_SCTP_OUTPUT_H_
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#include <netinet/sctp_header.h>
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#if defined(_KERNEL) || defined(__Userspace__)
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struct mbuf *
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sctp_add_addresses_to_i_ia(struct sctp_inpcb *inp,
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struct sctp_tcb *stcb,
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struct sctp_scoping *scope,
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struct mbuf *m_at,
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int cnt_inits_to,
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uint16_t *padding_len, uint16_t *chunk_len);
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int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *);
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int
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sctp_is_address_in_scope(struct sctp_ifa *ifa,
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struct sctp_scoping *scope,
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int do_update);
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int
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sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa);
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struct sctp_ifa *
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sctp_source_address_selection(struct sctp_inpcb *inp,
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struct sctp_tcb *stcb,
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sctp_route_t *ro, struct sctp_nets *net,
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int non_asoc_addr_ok, uint32_t vrf_id);
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int
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sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t *ro);
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int
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sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t *ro);
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void
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sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *, int
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#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
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SCTP_UNUSED
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#endif
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);
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void
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sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *,
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struct sctp_nets *, struct mbuf *,
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int, int,
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struct sockaddr *, struct sockaddr *,
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struct sctphdr *, struct sctp_init_chunk *,
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uint8_t, uint32_t,
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uint32_t, uint16_t, int);
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struct mbuf *
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sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *,
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struct sctp_chunkhdr *, int *);
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void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *);
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int
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sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *,
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struct sctp_nets *);
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void sctp_send_cookie_ack(struct sctp_tcb *);
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void
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sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int,
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struct sctp_nets *);
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void
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sctp_remove_from_wheel(struct sctp_tcb *stcb,
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struct sctp_association *asoc,
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struct sctp_stream_out *strq, int holds_lock);
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void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *);
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void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *);
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void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int);
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void
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sctp_send_shutdown_complete2(struct sockaddr *, struct sockaddr *,
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struct sctphdr *,
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uint8_t, uint32_t, uint16_t,
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uint32_t, uint16_t);
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void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked);
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void sctp_send_asconf_ack(struct sctp_tcb *);
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int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *);
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void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *);
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void sctp_toss_old_asconf(struct sctp_tcb *);
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void sctp_fix_ecn_echo(struct sctp_association *);
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void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net);
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#define SCTP_DATA_CHUNK_OVERHEAD(stcb) ((stcb)->asoc.idata_supported ? \
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sizeof(struct sctp_idata_chunk) : \
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sizeof(struct sctp_data_chunk))
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int
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sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *,
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struct mbuf *, struct thread *, int);
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void
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sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int
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#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
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SCTP_UNUSED
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#endif
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);
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void
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sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int
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#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
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SCTP_UNUSED
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#endif
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);
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void send_forward_tsn(struct sctp_tcb *, struct sctp_association *);
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void sctp_send_sack(struct sctp_tcb *, int);
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void sctp_send_hb(struct sctp_tcb *, struct sctp_nets *, int);
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void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t);
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void
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sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *,
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int, int, int);
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void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t, uint8_t);
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void
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sctp_add_stream_reset_result(struct sctp_tmit_chunk *, uint32_t, uint32_t);
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void
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sctp_send_deferred_reset_response(struct sctp_tcb *,
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struct sctp_stream_reset_list *,
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int);
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void
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sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *,
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uint32_t, uint32_t, uint32_t, uint32_t);
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int
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sctp_send_stream_reset_out_if_possible(struct sctp_tcb *, int);
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int
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sctp_send_str_reset_req(struct sctp_tcb *, uint16_t, uint16_t *,
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uint8_t, uint8_t, uint8_t, uint16_t, uint16_t, uint8_t);
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void
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sctp_send_abort(struct mbuf *, int, struct sockaddr *, struct sockaddr *,
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struct sctphdr *, uint32_t, struct mbuf *,
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uint8_t, uint32_t, uint16_t,
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uint32_t, uint16_t);
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void
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sctp_send_operr_to(struct sockaddr *, struct sockaddr *,
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struct sctphdr *, uint32_t, struct mbuf *,
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uint8_t, uint32_t, uint16_t,
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uint32_t, uint16_t);
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#endif /* _KERNEL || __Userspace__ */
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#if defined(_KERNEL) || defined(__Userspace__)
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int
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sctp_sosend(struct socket *so,
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struct sockaddr *addr,
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struct uio *uio,
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struct mbuf *top,
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struct mbuf *control,
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int flags,
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struct thread *p
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);
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#endif
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#endif
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