xref: /freebsd/sys/netinet/sctp_output.h (revision 2afb3e849f339b0b7135ffb43c70fb077cf53b13)
1f8829a4aSRandall Stewart /*-
2b1006367SRandall Stewart  * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
3f8829a4aSRandall Stewart  *
4f8829a4aSRandall Stewart  * Redistribution and use in source and binary forms, with or without
5f8829a4aSRandall Stewart  * modification, are permitted provided that the following conditions are met:
6f8829a4aSRandall Stewart  *
7f8829a4aSRandall Stewart  * a) Redistributions of source code must retain the above copyright notice,
8f8829a4aSRandall Stewart  *   this list of conditions and the following disclaimer.
9f8829a4aSRandall Stewart  *
10f8829a4aSRandall Stewart  * b) Redistributions in binary form must reproduce the above copyright
11f8829a4aSRandall Stewart  *    notice, this list of conditions and the following disclaimer in
12f8829a4aSRandall Stewart  *   the documentation and/or other materials provided with the distribution.
13f8829a4aSRandall Stewart  *
14f8829a4aSRandall Stewart  * c) Neither the name of Cisco Systems, Inc. nor the names of its
15f8829a4aSRandall Stewart  *    contributors may be used to endorse or promote products derived
16f8829a4aSRandall Stewart  *    from this software without specific prior written permission.
17f8829a4aSRandall Stewart  *
18f8829a4aSRandall Stewart  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19f8829a4aSRandall Stewart  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20f8829a4aSRandall Stewart  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21f8829a4aSRandall Stewart  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22f8829a4aSRandall Stewart  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23f8829a4aSRandall Stewart  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24f8829a4aSRandall Stewart  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25f8829a4aSRandall Stewart  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26f8829a4aSRandall Stewart  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27f8829a4aSRandall Stewart  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28f8829a4aSRandall Stewart  * THE POSSIBILITY OF SUCH DAMAGE.
29f8829a4aSRandall Stewart  */
30f8829a4aSRandall Stewart 
31f8829a4aSRandall Stewart /* $KAME: sctp_output.h,v 1.14 2005/03/06 16:04:18 itojun Exp $	 */
32f8829a4aSRandall Stewart 
33f8829a4aSRandall Stewart #include <sys/cdefs.h>
34f8829a4aSRandall Stewart __FBSDID("$FreeBSD$");
35f8829a4aSRandall Stewart 
36f8829a4aSRandall Stewart #ifndef __sctp_output_h__
37f8829a4aSRandall Stewart #define __sctp_output_h__
38f8829a4aSRandall Stewart 
39f8829a4aSRandall Stewart #include <netinet/sctp_header.h>
40f8829a4aSRandall Stewart 
41f8829a4aSRandall Stewart #if defined(_KERNEL)
4242551e99SRandall Stewart 
4342551e99SRandall Stewart 
4442551e99SRandall Stewart struct mbuf *
4542551e99SRandall Stewart sctp_add_addresses_to_i_ia(struct sctp_inpcb *inp,
4642551e99SRandall Stewart     struct sctp_scoping *scope,
4742551e99SRandall Stewart     struct mbuf *m_at,
4842551e99SRandall Stewart     int cnt_inits_to);
4942551e99SRandall Stewart 
5042551e99SRandall Stewart 
5142551e99SRandall Stewart int sctp_is_addr_restricted(struct sctp_tcb *, struct sctp_ifa *);
5242551e99SRandall Stewart 
5342551e99SRandall Stewart 
5442551e99SRandall Stewart int
5542551e99SRandall Stewart sctp_is_address_in_scope(struct sctp_ifa *ifa,
5642551e99SRandall Stewart     int ipv4_addr_legal,
5742551e99SRandall Stewart     int ipv6_addr_legal,
5842551e99SRandall Stewart     int loopback_scope,
5942551e99SRandall Stewart     int ipv4_local_scope,
6042551e99SRandall Stewart     int local_scope,
6142551e99SRandall Stewart     int site_scope,
6242551e99SRandall Stewart     int do_update);
6342551e99SRandall Stewart int
6442551e99SRandall Stewart     sctp_is_addr_in_ep(struct sctp_inpcb *inp, struct sctp_ifa *ifa);
6542551e99SRandall Stewart 
6642551e99SRandall Stewart struct sctp_ifa *
6742551e99SRandall Stewart sctp_source_address_selection(struct sctp_inpcb *inp,
6842551e99SRandall Stewart     struct sctp_tcb *stcb,
69bff64a4dSRandall Stewart     sctp_route_t * ro, struct sctp_nets *net,
7042551e99SRandall Stewart     int non_asoc_addr_ok, uint32_t vrf_id);
7142551e99SRandall Stewart 
722afb3e84SRandall Stewart int
732afb3e84SRandall Stewart     sctp_v6src_match_nexthop(struct sockaddr_in6 *src6, sctp_route_t * ro);
742afb3e84SRandall Stewart int
752afb3e84SRandall Stewart     sctp_v4src_match_nexthop(struct sctp_ifa *sifa, sctp_route_t * ro);
7642551e99SRandall Stewart 
77f8829a4aSRandall Stewart void sctp_send_initiate(struct sctp_inpcb *, struct sctp_tcb *);
78f8829a4aSRandall Stewart 
79f8829a4aSRandall Stewart void
80f8829a4aSRandall Stewart sctp_send_initiate_ack(struct sctp_inpcb *, struct sctp_tcb *,
8117205eccSRandall Stewart     struct mbuf *, int, int, struct sctphdr *, struct sctp_init_chunk *,
82ad21a364SRandall Stewart     uint32_t);
83f8829a4aSRandall Stewart 
84f8829a4aSRandall Stewart struct mbuf *
85f8829a4aSRandall Stewart sctp_arethere_unrecognized_parameters(struct mbuf *, int, int *,
86f8829a4aSRandall Stewart     struct sctp_chunkhdr *);
87f8829a4aSRandall Stewart void sctp_queue_op_err(struct sctp_tcb *, struct mbuf *);
88f8829a4aSRandall Stewart 
89f8829a4aSRandall Stewart int
90f8829a4aSRandall Stewart sctp_send_cookie_echo(struct mbuf *, int, struct sctp_tcb *,
91f8829a4aSRandall Stewart     struct sctp_nets *);
926e55db54SRandall Stewart 
936e55db54SRandall Stewart void sctp_send_cookie_ack(struct sctp_tcb *);
94f8829a4aSRandall Stewart 
95f8829a4aSRandall Stewart void
96f8829a4aSRandall Stewart sctp_send_heartbeat_ack(struct sctp_tcb *, struct mbuf *, int, int,
97f8829a4aSRandall Stewart     struct sctp_nets *);
98f8829a4aSRandall Stewart 
99f8829a4aSRandall Stewart 
1006e55db54SRandall Stewart void sctp_send_shutdown(struct sctp_tcb *, struct sctp_nets *);
101f8829a4aSRandall Stewart 
1026e55db54SRandall Stewart void sctp_send_shutdown_ack(struct sctp_tcb *, struct sctp_nets *);
103f8829a4aSRandall Stewart 
1046e55db54SRandall Stewart void sctp_send_shutdown_complete(struct sctp_tcb *, struct sctp_nets *);
105f8829a4aSRandall Stewart 
1066e55db54SRandall Stewart void
10717205eccSRandall Stewart sctp_send_shutdown_complete2(struct mbuf *, int, struct sctphdr *,
108ad21a364SRandall Stewart     uint32_t);
109f8829a4aSRandall Stewart 
1106e55db54SRandall Stewart void sctp_send_asconf(struct sctp_tcb *, struct sctp_nets *);
111f8829a4aSRandall Stewart 
1122afb3e84SRandall Stewart void sctp_send_asconf_ack(struct sctp_tcb *);
113f8829a4aSRandall Stewart 
114f8829a4aSRandall Stewart int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *);
115f8829a4aSRandall Stewart 
116f8829a4aSRandall Stewart void sctp_toss_old_cookies(struct sctp_tcb *, struct sctp_association *);
117f8829a4aSRandall Stewart 
118f8829a4aSRandall Stewart void sctp_toss_old_asconf(struct sctp_tcb *);
119f8829a4aSRandall Stewart 
120f8829a4aSRandall Stewart void sctp_fix_ecn_echo(struct sctp_association *);
121f8829a4aSRandall Stewart 
122f8829a4aSRandall Stewart int
123f8829a4aSRandall Stewart sctp_output(struct sctp_inpcb *, struct mbuf *, struct sockaddr *,
124f8829a4aSRandall Stewart     struct mbuf *, struct thread *, int);
125f8829a4aSRandall Stewart 
126f8829a4aSRandall Stewart void
127f8829a4aSRandall Stewart sctp_insert_on_wheel(struct sctp_tcb *stcb,
128f8829a4aSRandall Stewart     struct sctp_association *asoc,
129f8829a4aSRandall Stewart     struct sctp_stream_out *strq, int holdslock);
130f8829a4aSRandall Stewart 
1316e55db54SRandall Stewart void sctp_chunk_output(struct sctp_inpcb *, struct sctp_tcb *, int);
132f8829a4aSRandall Stewart void sctp_send_abort_tcb(struct sctp_tcb *, struct mbuf *);
133f8829a4aSRandall Stewart 
134f8829a4aSRandall Stewart void send_forward_tsn(struct sctp_tcb *, struct sctp_association *);
135f8829a4aSRandall Stewart 
136f8829a4aSRandall Stewart void sctp_send_sack(struct sctp_tcb *);
137f8829a4aSRandall Stewart 
138f8829a4aSRandall Stewart int sctp_send_hb(struct sctp_tcb *, int, struct sctp_nets *);
139f8829a4aSRandall Stewart 
140f8829a4aSRandall Stewart void sctp_send_ecn_echo(struct sctp_tcb *, struct sctp_nets *, uint32_t);
141f8829a4aSRandall Stewart 
142f8829a4aSRandall Stewart 
143f8829a4aSRandall Stewart void
144f8829a4aSRandall Stewart sctp_send_packet_dropped(struct sctp_tcb *, struct sctp_nets *, struct mbuf *,
145f8829a4aSRandall Stewart     int, int);
146f8829a4aSRandall Stewart 
147f8829a4aSRandall Stewart 
148f8829a4aSRandall Stewart 
149f8829a4aSRandall Stewart void sctp_send_cwr(struct sctp_tcb *, struct sctp_nets *, uint32_t);
150f8829a4aSRandall Stewart 
151f8829a4aSRandall Stewart 
152f8829a4aSRandall Stewart void
153f8829a4aSRandall Stewart sctp_add_stream_reset_out(struct sctp_tmit_chunk *chk,
154f8829a4aSRandall Stewart     int number_entries, uint16_t * list,
155f8829a4aSRandall Stewart     uint32_t seq, uint32_t resp_seq, uint32_t last_sent);
156f8829a4aSRandall Stewart 
157f8829a4aSRandall Stewart void
158f8829a4aSRandall Stewart sctp_add_stream_reset_in(struct sctp_tmit_chunk *chk,
159f8829a4aSRandall Stewart     int number_entries, uint16_t * list,
160f8829a4aSRandall Stewart     uint32_t seq);
161f8829a4aSRandall Stewart 
162f8829a4aSRandall Stewart void
163f8829a4aSRandall Stewart sctp_add_stream_reset_tsn(struct sctp_tmit_chunk *chk,
164f8829a4aSRandall Stewart     uint32_t seq);
165f8829a4aSRandall Stewart 
166f8829a4aSRandall Stewart void
167f8829a4aSRandall Stewart sctp_add_stream_reset_result(struct sctp_tmit_chunk *chk,
168f8829a4aSRandall Stewart     uint32_t resp_seq, uint32_t result);
169f8829a4aSRandall Stewart 
170f8829a4aSRandall Stewart void
171f8829a4aSRandall Stewart sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *chk,
172f8829a4aSRandall Stewart     uint32_t resp_seq, uint32_t result,
173f8829a4aSRandall Stewart     uint32_t send_una, uint32_t recv_next);
174f8829a4aSRandall Stewart 
175f8829a4aSRandall Stewart int
176f8829a4aSRandall Stewart sctp_send_str_reset_req(struct sctp_tcb *stcb,
177f8829a4aSRandall Stewart     int number_entries, uint16_t * list,
178f8829a4aSRandall Stewart     uint8_t send_out_req, uint32_t resp_seq,
179f8829a4aSRandall Stewart     uint8_t send_in_req,
180f8829a4aSRandall Stewart     uint8_t send_tsn_req);
181f8829a4aSRandall Stewart 
182f8829a4aSRandall Stewart 
183f8829a4aSRandall Stewart void
184f8829a4aSRandall Stewart sctp_send_abort(struct mbuf *, int, struct sctphdr *, uint32_t,
185ad21a364SRandall Stewart     struct mbuf *, uint32_t);
186f8829a4aSRandall Stewart 
187ad21a364SRandall Stewart void sctp_send_operr_to(struct mbuf *, int, struct mbuf *, uint32_t, uint32_t);
188f8829a4aSRandall Stewart 
189f8829a4aSRandall Stewart int
190f8829a4aSRandall Stewart sctp_sosend(struct socket *so,
191f8829a4aSRandall Stewart     struct sockaddr *addr,
192f8829a4aSRandall Stewart     struct uio *uio,
193f8829a4aSRandall Stewart     struct mbuf *top,
194f8829a4aSRandall Stewart     struct mbuf *control,
195f8829a4aSRandall Stewart     int flags,
196f8829a4aSRandall Stewart     struct thread *p
197f8829a4aSRandall Stewart );
198f8829a4aSRandall Stewart 
199f8829a4aSRandall Stewart #endif
200f8829a4aSRandall Stewart #endif
201