2 * Copyright (c) 2001-2007, 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.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
9 * a) Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
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.
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.
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.
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #ifndef _NETINET_SCTP_OUTPUT_H_
37 #define _NETINET_SCTP_OUTPUT_H_
39 #include <netinet/sctp_header.h>
41 #if defined(_KERNEL) || defined(__Userspace__)
45 sctp_add_addresses_to_i_ia(struct sctp_inpcb *inp,
46 struct sctp_tcb *stcb,
47 struct sctp_scoping *scope,
50 uint16_t *padding_len, uint16_t *chunk_len);
53 int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *);
57 sctp_is_address_in_scope(struct sctp_ifa *ifa,
58 struct sctp_scoping *scope,
62 sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa);
65 sctp_source_address_selection(struct sctp_inpcb *inp,
66 struct sctp_tcb *stcb,
67 sctp_route_t *ro, struct sctp_nets *net,
68 int non_asoc_addr_ok, uint32_t vrf_id);
71 sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t *ro);
73 sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t *ro);
76 sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *, int
77 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
83 sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *,
84 struct sctp_nets *, struct mbuf *,
86 struct sockaddr *, struct sockaddr *,
87 struct sctphdr *, struct sctp_init_chunk *,
92 sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *,
93 struct sctp_chunkhdr *, int *);
94 void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *);
97 sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *,
100 void sctp_send_cookie_ack(struct sctp_tcb *);
103 sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int,
107 sctp_remove_from_wheel(struct sctp_tcb *stcb,
108 struct sctp_association *asoc,
109 struct sctp_stream_out *strq, int holds_lock);
112 void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *);
114 void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *);
116 void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *, int);
119 sctp_send_shutdown_complete2(struct sockaddr *, struct sockaddr *,
121 uint8_t, uint32_t, uint16_t,
124 void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *, int addr_locked);
126 void sctp_send_asconf_ack(struct sctp_tcb *);
128 int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *);
130 void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *);
132 void sctp_toss_old_asconf(struct sctp_tcb *);
134 void sctp_fix_ecn_echo(struct sctp_association *);
136 void sctp_move_chunks_from_net(struct sctp_tcb *stcb, struct sctp_nets *net);
139 #define SCTP_DATA_CHUNK_OVERHEAD(stcb) ((stcb)->asoc.idata_supported ? \
140 sizeof(struct sctp_idata_chunk) : \
141 sizeof(struct sctp_data_chunk))
144 sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *,
145 struct mbuf *, struct thread *, int);
148 sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int, int
149 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
154 sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *, int
155 #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
160 void send_forward_tsn(struct sctp_tcb *, struct sctp_association *);
162 void sctp_send_sack(struct sctp_tcb *, int);
164 void sctp_send_hb(struct sctp_tcb *, struct sctp_nets *, int);
166 void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t);
170 sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *,
175 void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t, uint8_t);
179 sctp_add_stream_reset_result(struct sctp_tmit_chunk *, uint32_t, uint32_t);
182 sctp_send_deferred_reset_response(struct sctp_tcb *,
183 struct sctp_stream_reset_list *,
187 sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *,
188 uint32_t, uint32_t, uint32_t, uint32_t);
190 sctp_send_stream_reset_out_if_possible(struct sctp_tcb *, int);
193 sctp_send_str_reset_req(struct sctp_tcb *, uint16_t, uint16_t *,
194 uint8_t, uint8_t, uint8_t, uint16_t, uint16_t, uint8_t);
197 sctp_send_abort(struct mbuf *, int, struct sockaddr *, struct sockaddr *,
198 struct sctphdr *, uint32_t, struct mbuf *,
199 uint8_t, uint32_t, uint16_t,
203 sctp_send_operr_to(struct sockaddr *, struct sockaddr *,
204 struct sctphdr *, uint32_t, struct mbuf *,
205 uint8_t, uint32_t, uint16_t,
208 #endif /* _KERNEL || __Userspace__ */
210 #if defined(_KERNEL) || defined(__Userspace__)
212 sctp_sosend(struct socket *so,
213 struct sockaddr *addr,
216 struct mbuf *control,