1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
5  * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
6  * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are met:
10  *
11  * a) Redistributions of source code must retain the above copyright notice,
12  *    this list of conditions and the following disclaimer.
13  *
14  * b) Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in
16  *    the documentation and/or other materials provided with the distribution.
17  *
18  * c) Neither the name of Cisco Systems, Inc. nor the names of its
19  *    contributors may be used to endorse or promote products derived
20  *    from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
24  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32  * THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #if defined(__FreeBSD__) && !defined(__Userspace__)
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD: head/sys/netinet/sctp_asconf.h 362377 2020-06-19 12:35:29Z tuexen $");
38 #endif
39 
40 #ifndef _NETINET_SCTP_ASCONF_H_
41 #define _NETINET_SCTP_ASCONF_H_
42 
43 #if defined(_KERNEL) || defined(__Userspace__)
44 
45 /*
46  * function prototypes
47  */
48 extern void sctp_asconf_cleanup(struct sctp_tcb *);
49 
50 extern struct mbuf *sctp_compose_asconf(struct sctp_tcb *, int *, int);
51 
52 extern void
53 sctp_handle_asconf(struct mbuf *, unsigned int, struct sockaddr *,
54                    struct sctp_asconf_chunk *, struct sctp_tcb *, int);
55 
56 extern void
57 sctp_handle_asconf_ack(struct mbuf *, int, struct sctp_asconf_ack_chunk *,
58      struct sctp_tcb *, struct sctp_nets *, int *);
59 
60 extern uint32_t
61 sctp_addr_mgmt_ep_sa(struct sctp_inpcb *, struct sockaddr *, uint32_t,
62                      uint32_t);
63 
64 
65 extern int sctp_asconf_iterator_ep(struct sctp_inpcb *inp, void *ptr,
66 				   uint32_t val);
67 extern void sctp_asconf_iterator_stcb(struct sctp_inpcb *inp,
68 				      struct sctp_tcb *stcb,
69 				      void *ptr, uint32_t type);
70 extern void sctp_asconf_iterator_end(void *ptr, uint32_t val);
71 
72 
73 extern int32_t
74 sctp_set_primary_ip_address_sa(struct sctp_tcb *,
75     struct sockaddr *);
76 
77 extern void
78 sctp_check_address_list(struct sctp_tcb *, struct mbuf *, int, int,
79     struct sockaddr *, uint16_t, uint16_t, uint16_t, uint16_t);
80 
81 extern void
82 sctp_assoc_immediate_retrans(struct sctp_tcb *, struct sctp_nets *);
83 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Userspace__)
84 extern void
85 sctp_net_immediate_retrans(struct sctp_tcb *, struct sctp_nets *);
86 #endif
87 
88 extern void
89 sctp_asconf_send_nat_state_update(struct sctp_tcb *stcb,
90 				  struct sctp_nets *net);
91 
92 extern int
93 sctp_is_addr_pending(struct sctp_tcb *, struct sctp_ifa *);
94 #endif				/* _KERNEL */
95 
96 #endif				/* !_NETINET_SCTP_ASCONF_H_ */
97